Taxonomy
The Screen Options allow you to choose which dashboard metab...A taxonomyA taxonomy allows for the classification of things. In WordP... allows for the classification of things. In WordPress, there are two built-in taxonomies: categories and tags. These taxonomies help further classify postsPosts are time-oriented content in WordPress—usually news,... and custom postPosts are time-oriented content in WordPress—usually news,... types. You can also create a custom taxonomy. For example, a common custom taxonomy we use for profiles is Research Area, which might include terms such as Data Science, Arts & Humanities, or Education.
Source: https://wordpress.org/support/article/glossary/#taxonomy