Users may correspond to (security principals).Logical formLearned from3 sentences. A realm may pertain-to a principal.Logical formLearned from3 sentences. A maximum life can be for a principal.Logical formLearned from3 sentences. A principal may undergo a registration.Logical formLearned from3 sentences. Privileges may pertain-to a principal.Logical formLearned from3 sentences. Principals can be aware of (default access permissions).Logical formLearned from3 sentences. A principal may create a resource.Logical formLearned from3 sentences. A principal may create a resource.Logical formLearned from3 sentences. A principal may have a (write lock).Logical formLearned from3 sentences. (Communications paths) can be necessary for principals.Logical formLearned from3 sentences. A principal can be for some resources.Logical formLearned from3 sentences. A principal may work on a resource.Logical formLearned from3 sentences. A set of collaborators can be a set of principals.Logical formLearned from3 sentences. Some principal may modify a resource.Logical formLearned from3 sentences. A distinction can be between principals.Logical formLearned from3 sentences.