Priority is the thing which means to give importance to something/ some person. It is the thing which means to give importance to others than others. When a person cares about the thing more than the other things then it became the top priority. The interest, concern about specific things makes it a priority.
The game of giving a priority to someone or something can make your life. In professional life, it plays a very important role as we complete the prioritized work first and then follow the other ones.
For that, you first need to make a priority list which includes the very important work to be on the top of the list followed by the less important work as per your wish list.