| Subject | Welsh | English |
| comp., MS | disgrifydd diogelwch | security descriptor (A data structure that contains security information associated with a protected object. Security descriptors include information about who owns the object, who can access it and in what way, and what types of access are audited) |
| comp., MS | disgrifydd diogelwch chwilio | search security descriptor (A custom security descriptor that is in an arbitrary format and is handled by alternate authentication providers that are used in pluggable security authentication) |
| comp., MS | disgrifydd math | type descriptor (An object that defines the data type of an input, output or return parameter of a method instance object) |