[ZDP] BackTalk to Document The Zope Book (2.5 Edition)/Using Zope

[nobody@nowhere.com]

A comment to the paragraph below was recently added via http://www.zope.org/Documentation/Books/ZopeBook/current/UsingZope.stx#2-38

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    Click on the acl_users folder in the root folder to enter it. User
    folders contain User objects. You can create new users and edit
    existing users.  Click the *Add* button to create a new user, as
    shown in [2-2].

      % Anonymous User - Sep. 20, 2002 9:05 am:
       Whats the difference between a "user" and a "role",
       and why are "Manager" and "Owner" introduced in the prose text above as "user"s, when the picture shows the
       as "Roles"?