| Subject | English | Estonian |
| commun., IT | sequence number | järjenumber |
| dat.proc. | sequence number | järjekorranumber |
| comp., MS | update sequence number | värskenduse järjenumber (In Active Directory replication, a 64-bit counter that is maintained by each Active Directory domain controller. At the start of each update transaction (originating or replicated) on a domain controller, the domain controller increments its current USN and associates this new value with the update request) |