- Principal - A Principal is an item in the repository that represents a person (or Group) who you Share content with. In the cognitive model of the person using Chandler, a Contact and a Principal will usually be identical. In the Content Model, we will have a Kind called Principal. Principal Items will have attributes that keep track of some sort of identity or authorization information (maybe in the form of some sort of certificate or encryption key). A Principal Item might also have an attribute that points to all the access permissions that I've granted to this Principal. Each Contact in my address book will have at most one associated Principal Item.
: This is a Chandler-specific term that is always capitalized. You can say either "Principal" or "Principal Item".