ordinarily, items in a list are seperated by commas. When the listed items themselves contain commas, however, then are used to seperate them.

Question

ordinarily, items in a list are seperated by commas. When the listed items themselves contain commas, however, then       are used to seperate them.
colons
semicolons
dashes
apostrophes

GPT 3.5 · Answer

When the listed items themselves contain commas, semicolons are used to separate them.