Persistence is the quality that allows someone to continue doing something or trying to do something even though it is difficult or opposed by other people.
In computer science, persistence refers to the characteristic of state that outlives the process that created it.
The term "persistence" also refers to:
1. The continued or prolonged existence of something
2. In psychology, the tendency to continue a behavior despite obstacles
3. In meteorology, the tendency for weather conditions to remain unchanged