The term 'IT MEANS EVERYTHING' can be summarized by the crossword solution 'OMNI', which is a four-letter word. The term 'OMNI' is derived from Latin and means 'all' or 'EVERY'. It is often used to describe something that is all-encompassing, such as an omnibus bill or an omniscient being. In this context, it implies that the term 'IT MEANS EVERYTHING' is of great importance and has a wide-reaching impact.