Скачать или смотреть How to Create a WordPress Website - Lesson 3 - User Roles and Capabilities

User Roles and Capabilities:
WordPress uses a concept of Roles, designed to give the site owner the ability to control what users can and cannot do within the site.

Summary of User Roles:
Super Admin – somebody with access to the site network administration features and all other features. See the Create a Network article.
Administrator (slug: ‘administrator’) – somebody who has access to all the administration features within a single site.
Editor (slug: ‘editor’) – somebody who can publish and manage posts including the posts of other users.
Author (slug: ‘author’) – somebody who can publish and manage their own posts.
Contributor (slug: ‘contributor’) – somebody who can write and manage their own posts but cannot publish them.
Subscriber (slug: ‘subscriber’) – somebody who can only manage their profile.