For people who don't use screen readers, it can be difficult to understand how screen readers work. If you're interested in learning how people use screen readers, check out this demo from Marc Sutton and The University of California San Francisco.

https://youtu.be/dEbl5jvLKGQ

Screen Reader Demo for Digital Accessibility

YouTube
@A11yAwareness for anyone who is interested, note that every operating system in widespread use right now has a built-in screen reader (Widows/Mac) or a free open-source one you can get easily (Linuxes). You can very likely play around with one without even needing to install anything!