WordPress uses a concept of User Roles, designed to give the site owner the ability to control what users can and cannot do within the site. A site owner can manage the user access to such tasks as writing and editing posts, creating Pages, defining links, creating categories, moderating comments, managing plugins, managing themes, and managing other users, by assigning a specific role to each of the users. https://codex.wordpress.org/Roles_and_Capabilities
WordPress comes with six user roles with varying capabilities:
- Super Admin – gives access to the site network administration and all features
- Administrator – gives access to the administration features within a single site
- Editor – gives the ability to publish and manage posts, including posts of other users
- Author – gives the ability to publish and manage their own posts
- Contributor – gives the ability to write and manage posts but cannot publish
- Subscriber – gives the ability to manage their own profile