The term 'CLERK AT WORK' can be broken down into two crossword solutions: FILER (5 letters) and CLERK (6 letters). A FILER is a person who organizes and maintains documents, such as filing cabinets or computer databases. A CLERK is someone who performs general office duties, such as answering phones, typing, and filing. Together, these two terms describe someone who is working in an office environment, performing both filing and clerical tasks.