ulatuslik maa-ala, mille pind on enam-vähem tasane ja liigestatud kõrgustike, madalike, laiade orgude ja lavamaadega (Ida-Euroopa lauskmaa), vast relatively flat interior/inland area with an altitude around 300-400m that is dissected by uplands, depressions, valleys and plateaus. The relative hights are usually small. Synonymously is used term - plain (East European Plain)