The term 'pick through' can be broken down into two crossword solutions: 'CULL' and 'GLEAN'. 'CULL' is a four letter word meaning to select or remove something from a larger group. 'GLEAN' is a five letter word meaning to acquire knowledge or information from various sources. Both words are related to the idea of picking through something, which is the process of carefully examining something in order to find something specific.