To my understanding Pega Marketing is built upon Pega Decisioning, with additional features and Pega might offer one or both to customers based on licensing.

Marketing has additional functionality such as NBAA, the Marketing Program, Offer rules, Segments etc.

Strategies in both are essentially the same except Marketing might have additional features such as Contact Policy

When the term Decision Hub is used are they refering to the underlying Decisioning  system that the Marketing Portal is based on ?

Is this understanding correct ?

Thanks.