The "Cheat Sheets" are still a work in progress.
Please check this web page for the latest versions:
When they are done (and checked for bugs) they will be added to this manual page. Everyone is invited to look for bugs and make suggestions. The source file (SVG) is also available.
The Scene Graph
Diagrams by dotherwise. Website.
These quick reference sheets are from the Building Virtual Worlds project course at CMU's ETC and explain some basic concepts. Note that they may be outdated.