Answer: phrase. If you say that something is a different kettle of fish, you mean that it is very different from another related thing that you are talking about.
Explanation:
Admiral McRaven took the abstract and overwhelming concept of “changing the world” and broke it down with a simple argument: Everyone can make a global impact by improving the lives of ten people. Give your audience measurable steps they can take today to put that inspiration into action.
Transition- moreover, similarly, shouting, and nevertheless
Sensory- pungent and cool