** Colon :
1. To introduce a list
e.g. I'm attaching three different documents: a list of items, an invoice, ana d contract sheet
2. To introcce a single item ( emphasis )
e.g. There is one important thing you need to prepare before the meeting: read the contract sheet carefully
3. To introduce a direct speech or a quotation
e.g. My manager stood up and said loudly: "Finish the project by tomorrow!"
e.g. We need to follow what it says in the contract: "The payment should be made via cheque or bank transfer."
4. To introduce an explanation
e.g. You don't need to read all parts of the manual: the test will be on chapter 2 only
** Semi Colon ;