Difference between program and video file, problems with all-in-one progs, types of audio acceptable in what circumatances and ramifications of PCM, file structure and acceptable formats for DVD, mechanics of burning and acceptable file types, issues with multiple re-compressions, the overriding importance if bitrate, its different distribution methods and methods of controlling, how to calculate filesize, relevance of these factors to resolution, relevance of time factors in those calculations, availability of free softwares, how to use a search engine, how to look at and perceive multiple, color-coded, highlighted links containing important and needed information, and then actually utilize them, drawbacks and limitations of shareware/freeware and methods/inabilities of overcoming them, viable resolutions for DVD and their impact on encoding speed, reference to bitrate, necessity of a TBC possibly multiple other devices, I think that pretty well covers what you have written but I have not got into issues converting various download types, Inverse Telecine, framerates, interlacing, audio encoding variations and methods to overcome the issues, media compatibility and variability, labeling issues with same, Oh and capturing issues, broken GOP structures, timecode sequence errors, subtitling, and there's probably a few odds and ends I left out.

You are standing in the middle of the Encyclopedia Britannica asking questions of whoever happens to be nearby. Pick up the book and read, you will get a more complete answer, including the answers to questions you are going to ask later.