diff --git a/contents/definitions.tex b/contents/definitions.tex
new file mode 100644
index 0000000000000000000000000000000000000000..551fad2d7f40ee2b4b95f09244bc63c663854f50
--- /dev/null
+++ b/contents/definitions.tex
@@ -0,0 +1,21 @@
+% -----------------------------------------------------------------------------
+% General definitions
+%
+% Author: Thomas Lambert <t.lambert@uliege.be>
+% ULiege - Aeroelasticity and Experimental Aerodynamics
+% https://gitlab.uliege.be/thlamb/Rotare-doc
+%
+% License: CC-BY-SA-4.0
+% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+% International License (https://creativecommons.org/licenses/by-sa/4.0/)
+% ------------------------------------------------------------------------------
+
+\chapter{Definitions}
+\label{chap:def}
+
+The following definitions are used through the whole manual. Some are also used
+as configuration variables (see Chapter~\ref{chap:user:input}).
+
+% TODO: Add generic blade schematics
+% TODO: Add rotor disc and flow angle schematics
+% TODO: Add blade element schematic
diff --git a/contents/user-input.tex b/contents/user-input.tex
index 68422b32fda398f4dda7628e231ef249ff689516..5a79155289774ee3ac2cf66adcc5f67a2494b5a7 100644
--- a/contents/user-input.tex
+++ b/contents/user-input.tex
@@ -24,9 +24,9 @@ configuration are given in \directory{src/config/}. In order to always have a
 fully-defined, working configuration available, it is suggested to just copy the
 template and edit your copy instead of directly working in the template.
 
-
 \section{Input variables}
 All input parameters are structured as in the following example.
+
 \describeOption{Option Name}{unit}{\lst{Example values}}{
   A brief description of the option with further indications regarding the input
   values if necessary.
@@ -83,22 +83,19 @@ results.
   Show the 3D view of the rotor and blade.
 }
 
-\describeOption{Sim.Out.3DhubType}{}{See below}{
+\describeOption{Sim.Out.hubType}{}{See below}{
   Type of hub (cone) to display on the 3D graph. See
   \href{https://en.wikipedia.org/wiki/Nose_cone_design}{Nose cone design
   (wikipedia)} for representation of the nose cones.\\
-  \textit{The nose cones are only for a more realistic visual representation of
-    the rotor. The type of hub itself has absolutely no impact in the actual
-  computation of the BEMT results.}\par
-
-  \begin{tabular}[c]{lll}
-    \qquad & Values & \lstmat{'none'}, \lstmat{'cylinder'}, \lstmat{'conic'},
-    \lstmat{'blunted_conic'}, \lstmat{'bi-conic'}, \lstmat{'tangent_ogive'}, \\
-    \qquad & & \lstmat{'blunted_tangent_ogive'}, \lstmat{'secant_ogive_regular'},
-    \lstmat{'secant_ogive_bulge'},\\
-    \qquad & & \lstmat{'elliptical'}, \lstmat{'parabolic'},
-    \lstmat{'power_series'}, \lstmat{'lv-haack'}, \lstmat{'vonkarman'}.
-  \end{tabular}
+  Allowed values: \lstmat{'none'}, \lstmat{'cylinder'}, \lstmat{'conic'},
+  \lstmat{'blunted_conic'}, \lstmat{'bi-conic'}, \\
+  \lstmat{'tangent_ogive'}, \lstmat{'blunted_tangent_ogive'},
+  \lstmat{'secant_ogive_regular'}, \lstmat{'secant_ogive_bulge'},
+  \lstmat{'elliptical'}, \lstmat{'parabolic'}, \lstmat{'power_series'},
+  \lstmat{'lv-haack'}, \lstmat{'vonkarman'}.\par
+  \textit{The nose cones are only used for a more realistic visual
+    representation of the rotor. The type of hub itself has absolutely no impact
+  in the actual computation of the BEMT results.}
 }
 
 
@@ -153,6 +150,11 @@ Other miscellaneous parameters.
   to ensure proper sign for the output variables, etc.
 }
 
+\describeOption{Sim.Misc.pitchRef}{}{\lst{'zerolift','chordline'}}{
+  It is common to define the pitch angle of a blade element with respect to the
+  zero-lift angle of its airfoil instead of the chord line. This parameter
+  ensures the correct reference is taken.
+}
 
 % ===============================================
 \subsection{Models and solver options}
@@ -165,20 +167,20 @@ extension and corrections to apply. It also specifies the numerical limits
   Chapter~\ref{chap:tech:solvers}.
 }
 
-\describeOption{Mod.polars}{}{\lst{'manual', 'polynomial', 'auto'}}{
-  Type of losses to consider.
-}
 
-\describeOption{Mod.polarFile}{}{\lst{'mypolar.mat'}}{
-  File name for the polar.
-}
+\subsubsection{Mod.Syst}
+Parameters related to multi-rotors systems.
 
-\describeOption{Mod.pitchRef}{}{\lst{'zerolift','chordline'}}{
-  It is common to define the pitch angle of a blade element with respect to the
-  zero-lift angle of its airfoil instead of the chord line. This parameter
-  ensures the correct reference is taken.
+\describeOption{Mod.Syst.nRotors}{}{\lst{1}}{
+  Number of rotors. Currently \rotare is only capable of simulating a single
+  rotor in isolation. A value other than \lst{1} will result in an error. The
+  coaxial implementation is going to be implemented in a few weeks.
 }
 
+\describeOption{Mod.Syst.rotSpacing}{}{Vector}{
+  Spacing between multiple coaxial rotors. This should be specified as a vector
+  (or scalar if there are only two rotors).
+}
 
 
 \subsubsection{Mod.Ext}
@@ -192,7 +194,6 @@ Parameters related to the extensions and corrections to apply to the base BEMT.
 \subsubsection{Mod.Num}
 Numerical limits for the simulations.
 
-
 \describeOption{Mod.Num.convCrit}{-}{1e-4}{
   Value for the convergence criterion to use when doing iterative process. Note
   that this criterion will be used to assess the \emph{relative} error between
@@ -200,15 +201,22 @@ Numerical limits for the simulations.
   results.
 }
 
-\describeOption{Mod.Num.maxIter}{-}{1e}{
+\describeOption{Mod.Num.maxIter}{-}{1e3}{
   Maximum iterations allowed when doing iterative processes. If this number is
   reached, the code will output an error and stop its execution.
 }
 
+\describeOption{Mod.Num.azimStep}{deg}{1}{
+  Azimuthal step to use when simulating oblique flows. See~\todo{ref} for
+  details regarding oblique flow implementation.
+
+  \textit{The BEMT equations needs to be resolved for each azimuthal position of
+  the blade. Using a very small step will lead to longer computational time.}
+  }
 
 % ===============================================
 \subsection{Flow}
-The structure \lstmat{Flow} contains the parameters related to the flow itself.
+The structure \lst{Flow} contains the parameters related to the flow itself.
 
 \describeOption{Flow.fluid}{}{\lst{'air', 'seawater', 'freshwater'}}{
   Nature of the fluid. This is used to determine the density and viscosity of
@@ -217,6 +225,12 @@ The structure \lstmat{Flow} contains the parameters related to the flow itself.
   order to determine the proper density and viscosity (using ISA tables).
 }
 
+\describeOption{Flow.angle}{deg}{\lst{20}}{
+  Angle of the flow with respect to the direction perpendicular to the rotor
+  plane (\ie, 0$^\circ$ for axial flows).
+
+  \todo{schematics}
+}
 
 % ===============================================
 \subsection{Operating points}
@@ -272,13 +286,25 @@ structures (\ie, \lst{Airfoil(1)}, \lst{Airfoil(2)}, \dots).
 
 \describeOption{Airfoil.coordFile}{}{\lst{'airfoil\_data/naca0012.dat'}}{
   Name of the file with the airfoil data. At the moment, this file is only used
-  to draw the 3D view of the rotor. The best source for such data files is to
-  directly get the
+  to draw the 3D view of the rotor, but it is still a mandatory input. The best
+  source for such data files is to directly get the
   \href{https://m-selig.ae.illinois.edu/ads/coord_database.html}{UIUC Airfoil
   Coordinates Database}. The data can be formatted either following Selig or
   Ledneicer convention (the two types of format found on UIUC Database).
 }
 
+\describeOption{Airfoil.polarType}{}{\lst{'file', 'polynomial'}}{
+  Type of polar input \rotare should be using.
+  \begin{itemize}
+    \item \textbf{file}: A structure containing the polars should be passed to
+      \rotare.
+    \item \textbf{polynomial}: The $C_l$ and $C_d$ are given as polynomial
+      expressions of $\alpha$.
+    \item \textbf{auto}: \rotare retreives the polars automatically using XFOIL.
+
+  \end{itemize}
+}
+
 \describeOption{Airfoil.polarsFile}{}{\lst{'airfoil\_data/naca0012-polar.mat'}}{
   Name of the files with the airfoil polars. This file should contain a Matlab
   structure called \lst{Polar}. Such file can be obtained by generating the
@@ -368,7 +394,6 @@ the corresponding spanwise position defined in \lst{radius}.
   $[0.5; 1[$ m and the \lst{Airfoil(3)} will be used for the tip.
 }
 
-
 \describeOption{Blade.nElem}{-}{100}{
   Number of blade elements to use in the Blade Element Method. The elements will
   be linearly spaced along the span of the blade (defined by the two bounds of
diff --git a/doc-setup.tex b/doc-setup.tex
deleted file mode 100644
index 1219b0707044ff4abbdeda30915cefbc55977dd0..0000000000000000000000000000000000000000
--- a/doc-setup.tex
+++ /dev/null
@@ -1,110 +0,0 @@
-% -----------------------------------------------------------------------------
-% This file contains the metadata setup and additional packages loaded for the
-% documentation of rotare.
-%
-% Author: Thomas Lambert <t.lambert@uliege.be>
-% ULiege - Aeroelasticity and Experimental Aerodynamics
-% https://gitlab.uliege.be/thlamb/Rotare-doc
-%
-% License: CC-BY-SA-4.0
-% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
-% International License (https://creativecommons.org/licenses/by-sa/4.0/)
-% ------------------------------------------------------------------------------
-
-
-% ==============================================================================
-%                              DOCUMENT METADATA
-% ==============================================================================
-
-% Version number and date.
-% ***********************************************
-\newcommand{\docDate}{\today}
-\newcommand{\docVersion}{v0.0.0}
-
-
-\newcommand{\docTitle}{Rotare}
-\newcommand{\docSubtitle}{Documentation}
-\newcommand{\docAuthor}{Thomas Lambert}
-
-\newcommand{\docAffiliation}{\protect{University of Liège}}
-
-
-% ==============================================================================
-%                         BASE PACKAGE CONFIGURATION
-% ==============================================================================
-
-% Encoding and language
-% ***********************************************
-\PassOptionsToPackage{utf8}{inputenc}
-\usepackage{inputenc}
-\usepackage[english]{babel}
-
-% Debugging
-% ***********************************************
-%\listfiles     % Used for debugging
-
-% Document style
-% ***********************************************
-\PassOptionsToPackage{
-  figuresep=colon,%
-  hangfigurecaption=false,%
-  hangsection=true,%
-  hangsubsection=true,%
-  sansserif=false,%
-  configurelistings=true,%
-  colorize=full,%
-  colortheme=bluemagenta,%
-  configurebiblatex=true,%
-  bibsys=biber,%
-  bibfile=rotare-bib,%
-  bibstyle=alphabetic,%
-  bibsorting=nty,%
-}{cleanthesis}
-\usepackage{cleanthesis}
-
-% Hyperref setup and pdf metadata
-% ***********************************************
-\hypersetup{%
-  pdftitle={\docTitle},       % title (PDF meta)
-  pdfsubject={\docSubtitle},  % subject (PDF meta)
-  pdfauthor={\docAuthor},     % author (PDF meta)
-  plainpages=false,           %
-  colorlinks=false,           % colorize links
-  pdfborder={0 0 0},          % link border
-  breaklinks=true,            % allow line break inside links
-  bookmarksnumbered=true,     %
-  bookmarksopen=true          %
-}
-
-
-% ==============================================================================
-%                          ADDITIONAL PACKAGES
-% ==============================================================================
-
-\usepackage{uliege-colors} % ULiege color theme
-\usepackage{scrhack} % So other packages play nice with KOMA-Scripts
-\usepackage{definitions} % Custom definitions (see style/definitions.sty)
-\usepackage[nolinks]{qrcode} % QR codes
-\usepackage{booktabs} % Better looking tables
-\usepackage{amsmath}
-
-\usepackage{menukeys} % Keys, menus, directories, etc
-\renewmenumacro{\directory}{pathswithfolder} % default: paths
-
-% ==============================================================================
-%                               MISC STUFF
-% ==============================================================================
-
-\newcommand{\describeOption}[4]{
-  \par
-  \begin{minipage}[t]{\textwidth}
-    \textbf{#1}
-    \if\relax\detokenize{#2}\relax
-      % nothing
-  \else
-    [#2]
-  \fi
-  \dotfill\, #3\\
-  #4
-\end{minipage}
-}
diff --git a/rotare-doc.tex b/rotare-doc.tex
index 00b3453f76efc419b0569bcf869c543cf40388d2..a6ed2d24bc31412368547974952b55e730bd9cd4 100644
--- a/rotare-doc.tex
+++ b/rotare-doc.tex
@@ -30,9 +30,92 @@ draft=false,            % toggle if draft version
 
 
 % ==============================================================================
-%                              DOCUMENT SETUP
+%                            DOCUMENT METADATA
 % ==============================================================================
-\input{doc-setup}
+
+% Document metadata
+% ***********************************************
+\newcommand{\docDate}{\today}
+\newcommand{\docVersion}{v0.0.0}
+\newcommand{\docTitle}{Rotare}
+\newcommand{\docSubtitle}{Documentation}
+\newcommand{\docAuthor}{Thomas Lambert}
+\newcommand{\docAffiliation}{\protect{University of Liège}}
+
+% ==============================================================================
+%                              PACKAGES
+% ==============================================================================
+
+% Encoding and language
+% ***********************************************
+\PassOptionsToPackage{utf8}{inputenc}
+\usepackage{inputenc}
+\usepackage[english]{babel}
+
+% Debugging
+% ***********************************************
+%\listfiles     % Used for debugging
+
+% Document style
+% ***********************************************
+\PassOptionsToPackage{
+  figuresep=colon,%
+  hangfigurecaption=false,%
+  hangsection=true,%
+  hangsubsection=true,%
+  sansserif=false,%
+  configurelistings=true,%
+  colorize=full,%
+  colortheme=bluemagenta,%
+  configurebiblatex=true,%
+  bibsys=biber,%
+  bibfile=rotare-bib,%
+  bibstyle=alphabetic,%
+  bibsorting=nty,%
+}{cleanthesis}
+\usepackage{cleanthesis}
+
+% Hyperref setup and pdf metadata
+% ***********************************************
+\hypersetup{%
+  pdftitle={\docTitle},       % title (PDF meta)
+  pdfsubject={\docSubtitle},  % subject (PDF meta)
+  pdfauthor={\docAuthor},     % author (PDF meta)
+  plainpages=false,           %
+  colorlinks=false,           % colorize links
+  pdfborder={0 0 0},          % link border
+  breaklinks=true,            % allow line break inside links
+  bookmarksnumbered=true,     %
+  bookmarksopen=true          %
+}
+
+% Other additional packages
+% ***********************************************
+
+\usepackage{ULiege-colors} % ULiege color theme
+\usepackage{scrhack} % So other packages play nice with KOMA-Scripts
+\usepackage{definitions} % Custom definitions (see style/definitions.sty)
+\usepackage[nolinks]{qrcode} % QR codes
+\usepackage{booktabs} % Better looking tables
+\usepackage{amsmath}
+\usepackage{menukeys} % Keys, menus, directories, etc
+\renewmenumacro{\directory}{pathswithfolder} % default: paths
+
+% ==============================================================================
+%                        COMMANDS AND ENVIRONMENTS
+% ==============================================================================
+
+\newcommand{\describeOption}[4]{
+  \par\noindent
+  \textbf{#1}
+  \if\relax\detokenize{#2}\relax
+    % nothing
+  \else
+    [#2]
+  \fi
+  \dotfill\, #3\newline
+  #4
+}
 
 
 % ==============================================================================
@@ -41,7 +124,6 @@ draft=false,            % toggle if draft version
 \begin{document}
 
 
-
 % Front matter
 % ***********************************************
 \pagenumbering{roman}			% roman page numbing (invisible for empty page style)
@@ -66,6 +148,7 @@ draft=false,            % toggle if draft version
 \part{User manual}
 \input{contents/user-install}
 \input{contents/user-usage}
+\input{contents/definitions}
 \input{contents/user-input}
 \input{contents/user-troubleshooting}