| Subject | English | Polish |
| comp., MS | data block | blok danych (In text, ntext, and image data, a data block is the unit of data transferred at one time between an application and an instance of SQL Server. The term is also applied to the units of storage for these data types) |
| transp., avia. | pseudorandom message data block | blok danych komunikatów niby-przypadkowych |