# Start a new topic Topics are a lightweight tool to keep conversations organized. You should start a new topic whenever you're not replying to an existing message. ### Start a new topic {start_tabs} 1. Click on a stream in the left sidebar. 1. Click **New topic** at the bottom of the screen. !!! warn "" **Keyboard tip**: Use `c` to start a new topic. {end_tabs} Don't worry about picking the perfect topic. The first 2-4 words that come to mind are great. Note that topics are not available for [private messages (PMs)](/help/private-messages). If you find yourself wanting topics in a PM, we recommend [creating a private stream](/help/create-a-stream). ## Related articles * [Change the topic of a message](/help/change-the-topic-of-a-message) * [Rename a topic](/help/rename-a-topic) * [Require topics](/help/require-topics) for all stream messages