Objective Categories allow you to group Milestones together thematically, and filter by Category on the Objectives page.
Managing Objective Categories
The Manage Categories button can be found on the Objectives page, in the Categories drop down menu.
Create a Category
The add a Category select Manage Categories, click on "Create Category", give it a name, and save.
Adding a Category to an Objective
To add a Category to an Objective from the Manage Categories page, click on the '+' next the Category name, then select the Milestone from the drop-down menu.
Removing a Category from an Objective
To remove a Category from a Objective, just click on the 'x' of the Category you'd like to remove in the right sidebar.