| Subject | English | Welsh |
| comp., MS | globally unique identifier | dynodwr unigryw cyffredin (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | globally-unique identifier | dynodwr unigryw cyffredin (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | unique identifier | dynodwr unigryw (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | universally unique identifier | dynodwr unigryw cyffredin (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |