Answer the following questions, providing detailed explanations and specific examples with each response.

What should you do if some members of an audiences don$$t know the meaning of a term you are using, but other members of the audience do$?$

Why is it important to relate a speech to the listeners$$ self$-$interests?

How could each of the following topics be presented in a way that would satisfy a listeners$$ attitude of $$What$$s in it for me$?$

Rain forest destruction

Security surveillance of employees

Solar energy

Homeless people