Yes. Some times a : if you are listing things.
Comma comes from the Greek word komma meaning a piece cut off.
No, there is a question mark.
No that can not be done.
to pause something in a sentence like a list, explaining something etc.
No, don't use a comma after "and" in a series. There are two acceptable comma styles for series. One includes a comma before the final "and" (red, yellow, and blue). The other does not include the...