priority
1. Priority, unless specifically qualified, is the right to occupy a specific frequency for authorized uses, free of harmful interference from stations of other agencies. [NTIA]
2. Synonym priority level.
3. In DOD record communications systems, one of the four levels of precedence used to establish the time frame for handling a given message.
4. In DOD voice communications systems, one of the levels of precedence assigned to a subscriber telephone for the purpose of preemption of telephone services.