B2something that is very important and must be dealt with before other things: The management did not seem to consider office safety to be a priority.My first/top priority is to find somewhere to live.You have to learn to get your priorities right/straight(= decide which are the most important jobs or problems and deal with them first).Mending the lights is a priority task (= more important than other jobs).Banks normally give priority to large businesses when deciding on loans (= they deal with them first because they consider them most important).Official business requirements obviously take/have priority over personal requests (= official business matters will be dealt with first).Order and sequenceSimultaneous and consecutiveImportant and essential thingsInformation and messages