Priority

Priority can refer to

• in telecommunications,
  • the right to occupy a specific frequency for authorized uses, free of harmful interference from stations of other agencies
  • a synonym of priority level
  • in DOD record communications systems, one of the four levels of precedence used to establish the time frame for handling a given message
  • in DOD voice communications systems, one of the levels of precedence assigned to a subscriber telephone for the purpose of preemption of telephone services,
• a record label
• in patent law, the priority right under the Paris Convention for the Protection of Industrial Property

Source (for the telecommunications part): from Federal Standard 1037C and from the NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management