Dream Core Level

S(Black) = 100,000,000 sq.km. or 100,000,000,000,000 sq.m. (world)

A(Purple) = 10,000,000 sq.km. or 10,000,000,000,000 sq.m. (continent)

B(Red) = 100,000 sq.km. or 100,000,000,000 sq.m. (country)

C(Blue) = 1,000 sq.km. or 1,000,000,000 sq.m. (city)

D(Green) = 100 sq.km. or 100,000,000 sq.m. (Island)

E(Yellow) = 100,000 sq.m. (house)

F(White) = 100 sq.m. (room)