Version refers to a particular form or variant of something, especially when compared to other forms of the same thing.
In software development, a version is a specific release of a product, typically numbered in a sequence like 1.0, 2.0, etc.
The term "version" can also mean:
1. A particular account or description of an event
2. An adaptation of a work into another medium (e.g., film version of a book)
3. In music, a cover or remix of a song