To identify where you are in the environment, there are three levels of precision: the world, the map and your coordinates.

Your character lives in a world without the ability to go into another world.
The world system lives to allow a player to create multiple characters with a single account.
To avoid clan spy and betrayals, you can't have two characters in a single world.

A world regroups a bunch of maps.
You go from a map to another using teleport portal structures.
Each map is rectangular, its size can be large or tiny for role-play purpose:

To find your way on a map, here is a representation of how the coordinates system works.
All the maps origin point is the top corner of the isometric map.
Compass can be used to ease your orientation on the map.

Maps groups are invisible from the player's perspective, except the fact that all the maps inside a map groups generally share the same floor appearance.
Map groups feature lives for some mobs and structures gameplay.

It may co-exist multiple areas on a single map.
A clan may own areas as a clan territory, but most of the areas are neutral.

Gameplay may vary depending on which area your character is, all of these following actions may be individually prohibited: