When you have finished to create your tags, let's go ahead and assign them to your elements.
1. Navigate to Tags & Filters > Assign
2. Select the element you want to assign and click on "Edit"
3. Select the tags you want to assign to the element
4. You can also assign tags from the content manager. Open your content manager, click on the element, then click on "More Options".
5. Click on "Tags & Filters" and attach the tags to the element