A reference can refer to different things depending on the context. In general, a reference can be:
- A relationship between objects in which one object designates or links to another object
- A value that enables a program to access a specific data item in programming languages
- Someone who can answer questions about your work history, skills, abilities, and work style, typically when applying for a job
- A document or source of information that can be used to show the state of knowledge at a given time
The specific meaning of the term "reference" depends on the field or situation in which it is used.