Think of an extra rule for each heading. bedroom common room dining room outdoor areas visitors

Bedroom is a room that is furnitured with a bed.In this room people usually sleep at night or have a rest when they are tired.

A common room is a room where all the family gather and spend their free time. Mostly they watch TV or play some table games. Many families meet guests in a common room.

Dining room is usually a room where a family takes meal:breakfast, dinner, supper or some other time.

Outdoor Areas that is a place out of the flat or a house in the open air. It may be a yard, a street, a park or some other place outdoors.

Visitors - they are people who come to visit any place : a house, museums, exhibitions and so on.