Tags are basically keywords for each page/article you create. Tags are intended to be words or very short two or three-word phrases. Adding tags that accurately represent a post or page will increase the chance that it will get its due traffic. To add a new tag, follow this simple instruction:
- Enter your name,
- Enter your slug.
To show the description field, it must be supported by the theme you have active.
The final thing (if your theme supports WordPress tag) should be looking like this: