You can create and manage your tags in the topShelf admin console by navigating to settings wheel in the upper right hand corner of the screen:

Next, select the 'Tags' Icon in the settings list:

Next, click the 'Create New Tag' button next to the object you wish to create tags for (Parts, Orders, Bins, etc.)

Now, enter a name for the Tag in the text box and select a color by clicking the color square:

Click Save