In WordPress, they have Categories and Tags. What are Categories and Tags? The categories are a meaningful group for organizing. The tag is a short word that best describes the topics; it’s about the theme blog, magazine, book, etc. 

The categories are part of a group to be organized. On the Website or create a blog, depending on what kind of titles you’re gonna make, like recipes, media, restaurants, vacation, and more. For example, you are making a travel plan about what kind of place they have, a good restaurant, hotel, food, and what kind of activities to do there. Those kinds are called Categories.

The tag is part of a blog or any website that has a short word about this topic. For example, you are creating a Dream Vacation, so in the tags you could write plane, travel, food, culture, or weather. Those are part of tags in blogs or websites, and people can know about different kinds of tags.