overcome the drawbacks of the alternative approach by providing complementary information through textual and visual means; limiting the amount of information delivered at any one time to prevent cognitive overload; and, viewers process information by identifying priorities and connections.

Free-form slides overcome the drawbacks of the alternative approach by providing complementary information through textual and visual​ means; limiting the amount of information delivered at any one time to prevent cognitive​ overload; and, helping viewers process information by identifying priorities and connections.

Free-form slides are a way to show and share information with others. These are used to teach new information. The slides keep viewers interested and engaged in the learning process. 

Pretty sure it's E, Cleavage