The term 'WRITE IN THE MARGINS' can be solved by two crossword solutions: JOT (3 letters) and NOTATE (6 letters). JOT is a verb meaning to quickly write down a few words or notes. It is often used to make a brief record of something, such as a reminder or an idea. Notate is also a verb, meaning to write down music or other symbols in order to record it. This is often done for musical compositions, but can also be used to record other types of information.