The Maps page brings together everything related to your server worlds: the ones that exist, the active one, the ones you generate or install, and the tools that monitor their health.
Your worlds
Each world on the server has its own card: the active world is marked, the others are waiting. Activating a world loads it at the next startup, deleting it removes the world, its Nether and its End, and Minecraft regenerates a new one at the next startup if it was the last one.
Generate or install
A new world is generated here, with its seed if you have a specific one in mind, leave it empty for a random one. The CurseForge catalog also installs ready-made adventure maps: the panel downloads, checks, and places the world in the right folder.
Datapacks
Datapacks for the active world are managed in this block: placed in the right subfolder, active at the next restart.
Integrity, your safety net
The integrity check inspects the world's region files and reports corruption before it turns into a crash when loading a chunk. A world that has suffered an abrupt shutdown deserves this check. The sensitive area at the bottom of the page groups together destructive actions, deliberately kept separate from the rest.