Housekeeping refers to the management and cleaning of a home. It includes various cleaning activities like window washing, furniture arrangement, and trash removal. There are different types of housekeeping like domestic and institutional. The 5S methodology - Sort, Straighten, Shine, Standardize, and Sustain - provides a framework for organizational cleanliness and order. It originated in Japan as a way to establish work place discipline. Implementing 5S can yield benefits like reduced waste, higher quality, and improved safety.