Timebox represent a fixed duration of time which helps the team to set goal and action plan to achieve it. It keeps the team focused and aligns their actions.
If you follow Scrum Framework, Timebox can be used as a Sprint. If you are following traditional project management, Timebox can be used as a Milestone.
To add a Timebox,
1. Click on Planning from the header. If Planning view is not available on the header, then you can go to Gallery and add it.
2. Click on Add Timebox button.
3. Fill in the required information.
4. Click on Save button to add the Timebox.