Language- helps the speaker connect with the audience. Certain language is used with a certain demographic.
Audience- Every speaker must have an audience that share similar characteristics. These are the people who will receive your message.
Central ideas- This is the purpose or idea of the speech. Example,a college professor gives a speech about importance of research, the ideas that will be included are research purposes, types of research etc.
Cultural context- Understanding the context of your speech is important in helping you relate to the audience.