Foreground processing and Priority processing

Foreground processing noun - The execution of a program that preempts the use of the processing system.

Priority processing and foreground processing are semantically related. In some cases you can use "Priority processing" instead a noun phrase "Foreground processing".

Priority processing noun - Data processing in which the operations performed are determined by a system of priorities.

Foreground processing and priority processing are semantically related. Sometimes you can replace phrase "Foreground processing" with "Priority processing", this phrases are similar.