By family dwelling we understand every room or group of rooms and their dependent rooms that occupy a building or a part which is structurally separate from it and, by the way in which it has been built, rebuilt, transformed or adapted, is destined to be inhabited by one or several families.

By collective establishment we understand that destined to be inhabited by a group people not living in a family, subject to an authority or common regime, or united by joint personal objectives or interests and that constitutes the main habitual residence of at least one person at the time when the Census renewal is carried out.