Create the discussion forum categories to be used on your site. Start with a few broad topic categories, then as the forum gets busier create more additional categories.
Video tutorial: Configure lists
Open Configuration and Settings by clicking on the gear icon in the top right corner.
From the menu on the left slide of the screen click on Lists > Forum Categories.
To create a new category click the New Forum Category button.
Enter the appropriate category label and description.
Click the Save button.
To edit or delete a Forum Category, click on the Actions button and select the relevant option from the dropdown.