The document defines housekeeping and discusses its importance in both residential and commercial settings. It provides an overview of key housekeeping departments and functions, including guest rooms, public areas, the control desk, linen room, uniform room, laundry, and horticulture. It also describes common room types like single rooms, doubles, twins, suites, and executive rooms; and explains what guests expect from their rooms, such as comfort, security, privacy, convenience, and cleanliness.