Details:
In the Access section you define and manage your site's users and groups. Click
the “Access” link in the Admin Menu to enter the Access section.
The Access section is subdivided into 2 sub-sections:
Users: where you define and manage individual site users. Click on “Users” to
enter this sub-section.
Group: where you define and manage user groups. Click on “Groups” to enter this
sub-section.