Cake or pie? and why (that rhymed lol)

What comprises a list of main points and sub-points of a topic to include in a presentation? a(n) is a list of main points and sub-points of a topic to include in a presentation.

In a sports club of 60 members , 30 play cricket , 25 play elle and 15 play botn include this in a venn diagram

Igotta why is there only 2 semesters and 4 quarters and not 4semesters and 4 quarters? 1 quarter for each semester? ? is this a dumb question?