Essential part of adopting the Kanban method is to map your workflow to the Kanban board. To do that you need to edit the initial board which only consist of three columns. To do that go to the edit board page here:
At the edit board view you can add main columns, sub-columns and horizontal swimlanes:
Add a main column:
Add a sub-column to a main column:
Add a swimlane:
To edit the properties of a column or swimlane click the gear wheel buttons. To move them, click the arrow buttons. To put a description of the columns click the question mark buttons.