Match relationship characteristic with the proper description. Mutual A. Every relationship is different and companies must recognize and respond to these differences. Interactive Iterative B. Interactions build up a history over time, creating information "context" making future interactions more efficient. Unique C. Both parties in the relationship have to participate in and be aware of the existence of a relationship. D. Refers to interactions that occur in-person, on the phone, over social media, and when a customer buys a product