What are the rules on when to use commas, colons, semicolons and dashes?

Question

What are the rules on when to use commas, colons, semicolons and dashes?

Answer 1

The answers to this question are beyond a reasonable scope for this site. However, here is a link that nicely explains the use of a colon:

https://www.thepunctuationguide.com/colon.html

Having mastered that, you may then go on to research the other punctuation marks in like manner.