How to Create a Board?
You have to be either Administrator or a Project Manager to be able to create boards within a project. You can create as many projects as you need and each project can contain multiple Kanban boards.
To create a digital Kanban board -> click on the Add board link located on the blue project banner. 
Enter the name of the board and Create it. You can create as many boards as you need.
Note: To learn what are the benefits of the online Kanban board over a physical one, please read the following dedicated article.
2. How to rename a Board?
To rename a board -> click on the Board Settings icon right to the board name -> select Rename Board. Enter the new name and click on Rename to save your changes.
3. Boards visualization on the dashboard
The boards ordering on the dashboard is optimized for better visibility and overall structure.
The boards are placed two in a row below the project and the background you’ve chosen is also reflected there.
With the Board background feature, you can make your workflow more stylish and flamboyant by adding an image or set a color as a background of your board.
3. How to change your boards' order?
You can organize the boards in your projects in a preferred order. Click on the banner to the left of your board name, then drag and drop the board to the desired position.
Please, read the following article to Learn more about: the Kanban board concept.