Future is a term that refers to the time that is yet to come. It's the opposite of the past and present.
In grammar, future tense is used to describe actions that will happen later.
The word "future" can also mean:
1. Potential or possibility ("She has a bright future")
2. In finance, futures are contracts to buy or sell assets at a future date
3. In science fiction, it often refers to advanced technology or societies