Add new category in Wordpress first you can go in the Wordpress post menu and click on a category. Type the name in the category text box. In slug text field The slug creates the link to the category page that lists all the posts you have made in this category. If you leave this text box blank WordPress automatically creates a slug based link on the category name. WordPress automatically creates a category slug like this
If you want to create a sub category choose the option from the drop down menu list for parent category. And if you want to make a parent category select an option in the drop down menu none this option is by default option. The category description field is optional field if you want insert any description enter the description in the description text box otherwise empty this field it is not important. Click the button new category now new category is created. Your new category shows in post menu. Bascillay Wordpress category is used for managing Wordpress posts. For example you create a new post for the slider. You first create slider category and select slider category for slider post.
If you want to delete categories on your blog by hovering your mouse over the title of the category you want to delete and then click the delete button that appears underneath the category title.