Basic Administration > Administering Windchill > Administration Overview > Managing User Access to Data > Managing Access to Data through Access Control Rules > Product, Library, Project, and Program Contexts
  
Product, Library, Project, and Program Contexts
For each product, library, project, and program that is created, two domains are created in the context:
A System domain.
This domain is a child of the Private domain that is in the organization context. Therefore, the System domain inherits from the /Private domain.
A Default domain.
The placement of the Default domain is dependent on the following:
Whether a shared team is used.
If a shared team is not used, then whether Private Access is selected.
The following sections describe the possible placement of the Default domain and provide a diagram for each scenario.