Allow you to choose multiple contact types for a single person for an organization
By allowing you to choose multiple contact types for a single person, it avoids duplication when running mail lists. It also keeps you from having to add multiple relationships with the same person which looks cleaner on a record.
Ability to have multiple different contact types and relationship types (or tags) on relationship records
Merged
Assign multiple contact types to a single constituent
Merged
Multiple Contact types within the Relationship Tab without adding the contact several times
Merged
Allow a single relationship to hold multiple Contact Types
Merged