tidying up – phrasal verb to make (something) tidy : to make (something) clean and organized
declutter – v. to remove clutter from a room, an area, etc.
clutter – n. a crowded or confused mass or collection : things that clutter a place
mess – n. a disordered, untidy, offensive, or unpleasant state or condition
chaos – n. a state of utter confusion
principle – n. an idea that forms the basis of something
category – n. a group of people or things that are similar in some way
memento – n. something that is kept as a reminder of a person, place, or thing
miscellaneous – n. dealing with or interested in diverse subjects
toy – n. something for a child to play with