Sharepoint Default Groups and Permission Levels

SharePoint Team Site Template Other SharePoint Site Template (i.e. publishing site template)
Available default groups
Visitors Restricted Readers
Members Style Resource Readers
Owners Designers
Viewers Approvers
Hierarchy Managers
Available default permission levels
View Only View Only
Limited Access Limited Access
Read Read
Edit Edit
Contribute Contribute
Design Design
Full Control Full Control
Approve
Manage Hierarchy
Restricted Read

Details description of default group:

Group name Default permission level Description
Visitors Read Use this group to grant people Read permissions to the SharePoint site.
Members Edit Use this group to grant people Edit permissions to the SharePoint site.
Owners Full Control Use this group to grant people Full Control permissions to the SharePoint site.
Viewers View Only Use this group to grant people View Only permissions to the SharePoint site.

Details descriptions of default permission levels:

Default permission level Description
View Only Includes permissions that enable users to view pages, list items, and documents.
Limited Access Includes permissions that enable users to view specific lists, document libraries, list items, folders, or documents, without giving access to all the elements of a site. You cannot edit this permission level directly.
Read Includes permissions that enable users to view items on the site pages.
Edit Includes permissions that enable users to add, edit and delete lists; can view, add, update and delete list items and documents.
Contribute Includes permissions that enable users to add or change items on the site pages or in lists and document libraries.
Design Includes permissions that enable users to view, add, update, delete, approve, and customize the layout of site pages by using the browser or SharePoint Designer 2013.
Full Control Includes all permissions.
Approve Includes permissions to edit and approve pages, list items, and documents.
Manage Hierarchy Includes permissions to sites and edit pages, list items, and documents.
Restricted Read Includes permissions to view pages and documents, but not historical versions or permissions information.