Settings menu

The settings screen is the screen that you can adjust your preferences.

How to open
You can open it by going into the main menu and clicking settings. In Java Edition, you can access it by clicking the gear.

World Settings
when you first create a world, there will be a bunch of settings of world preferences. Some can be updated at any time and some can only be updated by editing the world. In Bedrock Edition, you can access the world settings screen by pausing the game and clicking settings. In Java Edition, you can access the world settings by pressing Esc.