The comma with a dot on top is a long pause or a short stop, which isn’t of much use anymore.
The old practice of using a semicolon instead of a conjunction to link closely related clauses isn’t understood by many of today’s readers. Use either a period for a complete stop or a dash for a long pause.
A semicolon separates list items that include commas.
Since the comma separates verses of the Bible, a semicolon separates chapters.