What are the standards for using different types of oral language?

(This is a question I must answer and record, but I'm a little stuck.. I'm thinking grammar, pronunciation, and vocabulary..?)

From Internet:

Oral language is often associated with vocabulary as the main component. However, oral language is comprised of much more. In the broadest definition, oral language consists of six areas: phonology, grammar, morphology, vocabulary, discourse, and pragmatics.

Try exploring some of these areas.