4 Week course for beginners.
Terms for Pro Audio, lighting, video, staging, rigging, theater etc etc etc. Gotta know what the heck people are talking about!
The devices used for audio processing in modern PA systems and the concepts behind them.
Diagrams, drawings and documentation are an essential part of planning and communicating with other audio engineers and audio vendors.
Understanding and generating these documents is the first step in professionalism. After all, if you can't explain what's in your head with diagrams, lists and maps, how well thought out can it be?