The term 'clues in' can be summarized as a crossword solution with the word 'briefs' having 6 letters. Briefs are a type of clothing, typically worn by men, that cover the lower half of the body. They are usually made of lightweight material and have an elastic waistband. Briefs can also refer to a short summary or statement, such as a legal document or news report. In this context, 'clues in' could refer to a brief summary of information that provides clues to a larger problem or mystery.