What is the difference between max-width and max-device-width?

Question

css

I don’t understand when max-width is not enough and you need to use max-device-width in Media Queries

Answer 1

1) max-width is the width of the browser window
2) max-device-width is the width of the screen on the
device for phone".

Answer 2

max-width can be a property of any markup element, not necessarily the screen width, depending on the context