Crossword puzzle clue "lecture delivered in a church"

Lecture delivered in a church

Line delivered before lines are delivered

Church bells sound, I know, you wouldn't know as you're a heathen who's never stepped foot in a church before or even walked by one

Separation of church and church?

Lecture.

Visual ___ (illustrations used in a classroom lecture)

"My lecture's done, but we still have five minutes"

Take in a lecture