Here is a list of all topics with brief descriptions:

libcaca attribute definitions
libcaca basic functions
libcaca canvas drawing
libcaca dirty rectangle manipulation
libcaca canvas transformation
libcaca attribute conversions
libcaca character set conversions
libcaca primitives drawing
libcaca canvas frame handling
libcaca bitmap dithering
libcaca character font handling
libcaca bitmap font handling
libcaca FIGfont handling
libcaca file IO
libcaca importers/exporters from/to various
libcaca display functions
libcaca event handling
libcaca process management
libcaca DOS conio.h compatibility layer