Answer:
expert opinion, audience, Language, central ideas
Step-by-step explanation:
a good speech always consists of ethos pathos and logos which simply means having facts /data or expert opinions to back up your points pathos simply means adding emotions to your speech,
language is also important since you have to be aware how you will deliver the speech and what setting you are delivering it in for eg: i it's a persuasive speech you will have to add more passion or if it's like a speech to introduce new ideas or solutions it will usually have more engaging vocab
it is also essential to identify who you is your target audience of the speech in order to make sure that your point is getting across to the right people