| Subject | English | Thesaurus |
| softw., abbr. | Advanced Scsi Programmer's Interface | ASPI |
| IT, abbr. | Business Application Programmer's Interface | BAPI (SAP, R/3, API) |
| IT, abbr. | Internet Server Application Programmer's Interface | ISAPI (MS, C/S, WWW, API) |
| IT, abbr. | Netscape Server Application Programmer's Interface | NSAPI (Netscape, WWW, C/S, API) |
| abbr., file.ext. | Programmer's Interface | PI |