The term 'FILLS AND THEN SOME' can be summarized by the crossword solution 'SATES', which is an acronym for 'Software, Applications, Technology, Engineering, and Services'. This term is used to describe a wide range of services that are provided by technology companies. These services include software development, application development, engineering, and other related services. The term 'FILLS AND THEN SOME' implies that these services go beyond just filling a need, but also provide additional value.