The crossword solution for the term 'IS JUST RIGHT' is 'FITS', which is a four-letter word. FITS is an acronym for 'Fully Integrated Test System', which is a type of software used to test the functionality of computer systems. It is designed to ensure that all components of the system are working correctly and that the system is functioning as expected. FITS is often used in the development of new software and hardware products, as well as in the maintenance of existing systems.