The term 'COMMUNICATES SILENTLY' can be solved by the crossword solution 'SIGNS'. SIGNS are a form of non-verbal communication that is used to convey messages without the use of words. They are often used in public places such as roads, buildings, and parks to provide information or instructions. SIGNS can also be used to express emotions or feelings, such as a smiley face or a thumbs up. SIGNS are an important part of communication, as they allow people to communicate silently without having to speak.