2. commas - they do more than add a pause. Ob
commas - they do more than add a pause.
Used to separate items in a list (a ; is used for long information)
Used to combine two points.
Add extra information.

3. List (semi-colon for longer items) Ob
List (semi-colon for longer items)
I bought eggs, bacon, cheddar cheese that is extra tasty yet bitter; semi-skimmed milk from the back isle; and ketchup.
Combining two points:
I wanted to join the army. However, I had asthma so I couldn’t.
Adding information:
The animals, in the Disney film, all sang “hakuna matatta".