| Subject | English | Thesaurus |
| abbr., file.ext. | Asm Text Mode Image File | AIM (The Ultimate Draw) |
| abbr., file.ext. | C Text Mode Image File | CIM (The Ultimate Draw) |
| comp., net., abbr. | Flexible Image Transport | FIT |
| comp., abbr. | Flexible Image Transport Standard | FITS |
| IT, abbr. | Flexible Image Transport System | FITS (Space) |
| abbr., astronaut. | Flexible Image Transport System | FITS |
| abbr., file.ext. | Flexible Image Transport System Graphics and data | FIT |
| abbr., file.ext. | Flexible Image Transport System Graphics and data | FITS |
| comp., abbr. | Flexible Images Transport System | FITS |
| IT, abbr. | Handling the Electronic Representation of mixed text - image Office Documents based on ECMA standard 101 | HERODE (ESPRIT, SNI, TITN, ECMA, ODA) |
| mil., abbr. | Text and Image Information Management System | TIIMS |
| tradem., abbr. | Work Your Image! | WYI |