Explicit and implicit are antonyms. Explicit means that sometime is clear and is not confusing, while implicit means that something is unclear and can be confusing.
All days of the week are capitalized. Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday.
If you are asking if the word 'weekdays' is capitalized, then no, it's not. :)
Hope it helps you
Recapitulate (which means to summarize and restate the main points).