The term 'arrange by category' can be summarized by the crossword solution 'ASSORT, ' which is a 6-letter word. Assorting is the process of organizing items into groups or categories based on shared characteristics. This is often done to make it easier to find and access items, as well as to create a more organized environment. Assorting can be used in many different contexts, such as organizing books in a library, sorting clothes in a closet, or arranging items in a store.