If you have been using Zoom to do your webinars, and there are a lot of people using Zoom right now, then you might want to get a bit of interaction with your audience. By the way, this is a feature for webinars and not meetings. You have a to pay a bit more for the webinars but you might find that worthwhile.
A poll allows you to set a question with different answers, just like multiple choice. You ask the audience to give their response to help answer your question or find out a bit more about them or what they would like from your webinars. One you have got their responses you can share it with them if you like.
One of the great things in Zoom is that is saves the responses so you can go back and have a look later
Here is a video I made to show you how to setup and use polling in Zoom webinars.