The role
provides the context for the Account. That is, it give the Account, and by
extension, the Party, the reason for its participation in the system.
The role
establishes the type of activities the Party via the Account, can perform.
Most
importantly, it give contexts to other roles, that is, a Purchasing Agent may
care about a Vendor; a Research and Developer may care about a Customer (end
purchaser) who Return a Product.
