Here is a list of all documented files with brief descriptions:

[detail level 1234]

packs
rigSystems
src
AnimSerializers.h	Register anim / mod codecs on a document serializer registry
ComponentSerializers.h	Floor sketch codecs for rigComponent PODs - filed by rigSystems
OrbitNav.h	Orbit camera navigation: tumble, pan, dolly, pivot picking, and framing
SCanvas.h	Canvas systems: advance the CCanvas clock, then present shapes into its FBO
SHierarchy.h	World transform pass: fold local TRS through CRelationship parents into world
SModulators.h	Update system that drives bound properties from CModLfo sources
SOrbitDrive.h	Update system that poses a camera CTransform from its COrbitDrive fields
SShapeRendering.h	Draw pass for shapes, meshes, and selection bounds via the present IRenderer
STweens.h	Update system that advances CTween and writes the result to its target property