right about one of the following symbols polysemy or phenomes

Please write 2 pages essay about one of the following topics: Symbols, polysemy or phenomes. Also you can pick any key concept of Communication and right about it if you want, but you would need to tell me first. I need you to write about the topic you pick in general, then more details and the most important thing is that you write about how we can apply it in our everyday lives. Thank you