Korrus
Korrus is the Estonian term for a floor or storey in a building. It denotes a distinct horizontal level that separates spaces above and below, and on which rooms, corridors, and services are arranged. In everyday use korrused are numbered or named, for example maa korrus (ground floor) and esimene korrus (first floor). In addresses and plans, korrus helps locate units within a building.
In architecture and real estate, a korrus includes a plan with rooms, access via stairs or elevators,
The word korrus is native Estonian and part of standard building vocabulary. While its exact historical origins
Related terms include floor, storey, and level. In the Baltic region, similar architectural concepts are expressed