The doma provided a space of several joes (approx. 1.65 square meters per jo) to about 15 joes and people would sit on a straw mat or sunoko (a board made of thin plates positioned horizontally) or take off their shoes to stand on it.
数畳から十数畳程度の広さを持ち、ござやすのこを敷いて座ったり、あるいは靴を脱いでそれらの上に立ったりもする。