Problem/Motivation
@webchick pointed out in that all the constants introduced for #2120003: [META-1] Create sensible limits for the maximum length of configuration object filename components are a little confusing, and the docs could be made more explicit to clarify what the different parts of the filename are and why the various values were chosen.
Proposed resolution
Improve the docs for all the relevant contstants with more detailed explanation and @see to other relevant constants.
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