| Subject | Dutch | English |
| comp., MS | header-bestand | header file (A file that is identified to be included at the beginning of a program in a language such as C and that contains the definitions of data types and declarations of variables used by the functions in the program) |
| comp., MS | header-blok | header block (In SOAP, an element placed in the Header element and which contains control information. For example, information that influences payload processing, such as a credentials element that helps control access to the operation) |
| commun. | IP-pakket header | IP header |
| commun. | IP-pakket header | IP packet header |
| commun. | L1-header | L1 header |
| commun. | L1-header op het uplink SACCH | uplink SACCH L1 header |
| comp., MS | x-ua-compatibele header | x-ua-compatible header (An HTML header in which the HTTP-EQUIV property has a value of x-ua-compatible, which allows content to specify the document compatibility modes supported by the webpage) |