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Signed-off-by: falkTX <falktx@falktx.com>

docs/CARDINAL-MODULES.md

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+# Cardinal Modules
+
+This file contains documentation for the DISTRHO Cardinal modules.
+
+## Main modules
+
+### Audio File
+
+This is a simple audio file player plugin.  
+You can load files by using right-click menu options.
+
+Transport is rolling as long as the plugin is enabled and a file has been loaded.
+You can also sync to host transport, which will play in frame-perfect sync, useful if you need a few loops playing together.
+
+Files are streamed from disk if longer than 30 seconds in length, otherwise loaded entirely on RAM.
+
+Even though this player plugin can loop files, it is not an audio looper.
+Audio can loop back to the beginning if enabled, but it does not resample or pitch-shift to fit the host BPM.
+The audio files are played back as-is, with resampling only done when needed to match the host sample rate.
+
+### Carla
+
+[Carla](https://kx.studio/Applications:Carla) is a fully-featured modular audio plugin host.  
+This is a Cardinal/Rack module of Carla with 2 audio and 8 CV IO.  
+Double-click on the panel to show the Carla's own window.
+
+Note it is required for Carla to be installed on your system in order to show its GUI.  
+This is currently not supported under Windows.
+
+MIDI input and output are possible with the use of expander modules.
+
+### Ildaeil
+
+[Ildaeil](https://github.com/DISTRHO/Ildaeil) is a mini-plugin host based on [Carla](https://kx.studio/Applications:Carla).  
+This is Cardinal/Rack module of Ildaeil with 2 audio IO.
+
+Currently Ildaeil supports internal (from Carla) and LV2 plugins.  
+There is no way to automate hosted plugin parameters yet.
+
+MIDI input and output are possible with the use of expander modules.
+
+### Host Audio
+
+For getting audio from and to your Host/DAW.  
+Works just like the Rack equivalent, including a DC filter that is enabled by default on the stereo version, disabled on the 8 IO variant.
+
+Unlike Rack, Cardinal does not provide a 16 IO audio module.
+
+### Host CV
+
+For getting CV from and to your Host/DAW.
+
+Note that this module does nothing on Cardinal's FX and Synth variants, as they do not have host-exposed CV IO.
+
+### Host MIDI
+
+For getting regular MIDI from and to your Host/DAW.  
+This includes ...
+
+### Host MIDI CC
+
+For getting regular MIDI CCs from and to your Host/DAW.  
+This includes ...
+
+### Host MIDI Gate
+
+For getting regular MIDI Notes as Gates from and to your Host/DAW.  
+...
+
+### Host MIDI Map
+
+For mapping MIDI CCs from your Host/DAW into module parameters.  
+This includes ...
+
+### Host Parameters
+
+### Host Time
+
+For getting time information from your DAW as precise clock triggers
+
+## Extra modules
+
+### ExpanderInputMIDI
+
+### ExpanderOutputMIDI
+
+### MPV
+
+### glBars
+
+### Text Editor