Hi and thanks for your question, I hope you found Rylan's response helpful 
If you have any additional questions regarding Audiences, you'd definitely want to join us next week, January 25th at 10am PST for the Discovering & Managing Audiences for Maturity webinar (part of the Personalization Thursdays webinar series). Chevck out the event description below, and register here to reserve your spot today!
The quality of audiences and segmentation are a key ingredient in the effectiveness and the maturity of any optimization and personalization program. In this webinar, we'll learn how to discover what are important profile attributes for audience segmentation, where to build and govern our audiences and audience personalization best practices.