A comma is used as a piece of pause punctuation. A comma is not stop punctuation. Therefore, you cannot use a comma to stop a complete thought. When you use a comma between two complete thoughts, we call that a… Read more401. Mistake: The Comma Splice

The little comma can sometimes cause big confusion for writers. People often throw a comma into their writing just because they think it must go in there somewhere. However, there are actual rules for when to use a comma. Your… Read more402. Highlight on Writing – 12 Places to Put a Comma

A period is used as stop punctuation. Every time you reach the end of a statement sentence, you should put a period. Today is Thursday.I bought a new sweater yesterday.Sam’s brother is a teacher.Although it is raining, the sun is… Read more404. The Period

A colon (:) is a piece of punctuation used to signal that a list is coming. It’s important to remember that the words before the colon must be a complete thought. Look at this example:We need three things for our… Read more406. Using the Colon with a List

Yesterday we talked about how a colon warns a reader that a list is coming. The important thing to remember is that you must have a complete thought before the colon and the list. Look at this sentence:I eat only… Read more407. When Not to Use a Colon for a List

When writing a business letter, the greeting is followed by a colon instead of a comma. If you know the name of the person to whom you are addressing the business letter, use their name with a colon, like this:Dear… Read more408. Use the Colon in a Business Letter Greeting

In writing, we use a colon to signal the coming of a list and after the greeting of a business letter, but there are three other uses for the colon. Writing Time: We use a colon between the hour and… Read more409. Other Uses for the Colon