"_access" membership opens Moderator and Content Editor access for a Site Section.
Additional access is provided by "position_" membership.
The combination of these two role types provides for access within Site Sections.
Further access controls can be derived from the "Default Location" set for all User Profiles.
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Taxonomy Access
Access to a given Site (Section)Taxonomy is based on the "_access" role.
All content on the system is linked to at least one Site Section:
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Default Profile Location (Department/Neighborhood)
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Attribution