* Listing: "I bought apples, bananas, and oranges at the market."
* Interruption: "The cat, as usual, was sleeping on the couch."
* Appositive: "My brother, a talented musician, is playing at the concert."
* Date: "The meeting is scheduled for Tuesday, June 12, 2024."
Important Note: Commas are used to separate elements within a sentence, but their placement follows specific rules. It's crucial to understand these rules to use commas correctly and avoid creating comma splices (incorrectly joining two independent clauses with only a comma).