What’s the difference between public speaking and performing arts?

Especially the monologues in plays such as Shakespeare. Sounds like public speaking to me, but my professors says otherwise.

Anybody care to shed some light, please?? =D

How much to charge for a public speaking engagement?

Help! We’re planning a public speaking engagement in regards to financial planning. Can anyone tell me either what the “going rates” for appearance fees are or where I can find the information so we know what to charge?

What is the best topic for public speaking?

Public speaking is compulsory to every students in my school. So, I have a problem: choosing what is the best topic to talk about. Any ideas?

Is learning public speaking good for everyone or just those in business?

Is it a good idea for those looking into careers that dont involve public speaking to study it thoroughly with info on sites like http://www.PublicSpeakingTips.org and others?