Do the inner workings of SCORM 2004 confuse you? Rustici software made a free SCORM 2004 poster you can download on their site. As they describe it themselves:
" A handy wall poster containing a complete reference of SCORM 2004 3rd Edition. Including:
- The complete CMI and ADL.NAV data models with data types, syntax and descriptions.
- A road map to the sequencing pseudo code with function relationships and descriptions.
- A syntax reference for the runtime API.
- A summary of the SCORM activity tracking data model and how it relates to the CMI runtime data model. "