___________ is the ability of one person to influence what another person thinks or does

A logical definition has two steps. First, it places the concept to be defined into a category, then it:

A. explains how the category was drawn from an older culture. B. explains how conceptual terms are measured. C. clarifies the abstract notion by providing a well-rounded picture. D. explains the characteristics that distinguish that concept from all other members of the category.

Which strategy should a speaker use to help listeners distinguish between the essential meaning of a difficult concept and its other less central meanings?

A. describing B. reporting C. demonstrating D. explaining