In developing countries the most, or rather, the only common method of recording requirements is directly a schedule of accommodation with maybe a list of furniture and equipment for each room. But we realized that at this stage of the project the designer needs a great deal more than a schedule of rooms, and the most difficult task is to provide him (the designer) with a clear statement of the requirements. Before he can design successfully, he needs design information about all the activities to be carried out in the various spaces in the house and how these are interrelated.