Instance is a term used in object-oriented programming (OOP) that refers to a concrete occurrence of any object.
Key characteristics of an instance:
1. Created from a class (the blueprint)
2. Occupies memory space
3. Has its own state (property values)
4. Can execute methods defined in its class
Other meanings of "instance":
1. An example or single occurrence of something
2. In cloud computing, a virtual server
3. In law, a particular case