admin
Contributors can:
Write/edit their own posts
Delete their own unpublished posts
Authors can do everything contributors can, and:
Edit their own published posts
Delete their own published posts
Upload media (pictures, etc.)
Publish posts
Editors can do everything authors can, and:
Manage categories
Moderate comments
Manage links
Edit, publish, and delete other users' posts
Create, Edit, and publish pages
Read all private posts/pages
Administrators have full control over the blog, including:
Edit anything
Update Wordpress
Install plugins and themes
Configure widgets and plugins
Create and manage users
Perform other administrative tasks
