Casual conversation vs. formal public speaking (differences)

Casual Conversation:

The volume of your voice is calm but enough for your voice to be audible.

Having a causal conversation usually focuses on many different topics.

Causal conversations don't need to be scripted or planned out.

Formal Public Speaking:

The volume of your voice needs to be loud enough for many people to cleary hear you.

Having to publicly speak means you should have a central message in your speech.

Public speaking are usually best to be planned ahead of time so you don't have to improvise.