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Commas look like an upside-down tear drop ( , ) and represent a small pause in writing (one not as strong as a period). Commas are a point of punctuation that helps improve the flow and clarity of writing. The correct placement of commas (and understanding how to use them), is necessary for clear written communication.

Read our guides on comma usage, such as the Oxford comma, comma splices, when to use commas before conjunctions, and more.

When to use a comma before "so"?

When to Use a Comma Before “So”?

If you’ve clicked to learn when you should use a comma before “so“, then you’ve made the “write” choice. What is the word “so” in

What’s a Comma Splice?

A comma splice is when a comma separates two independent clauses without a coordinating conjunction (or semicolon).

When to Use A Comma Before “And”?

Use commas before “and” when joining two independent clauses to form a compound sentence. Sometimes, a comma is used after ‘and’ in a series or list.

What’s an Oxford Comma?

What’s an Oxford comma, anyway? When and where is an Oxford comma used in sentences, and when is it best to omit the Oxford comma altogether?