# Variables

- [User-Defined Variables](/master/variables/user-variables.md)
- [Static Variables](/master/variables/user-variables/static-variables.md)
- [Dynamic Variables](/master/variables/user-variables/dynamic-variables.md)
- [Default Variables](/master/variables/variables.md)
- [Environment Variables](/master/variables/env.md): Change variables values used in the project in one click.