Depending on the device & browser you’re using, the menu will either be displayed across the top of the screen or under a drop-down menu that looks like these 3 horizontal lines stacked, usually found in the upper, right hand corner of the screen.
The popular term for it is the Hamburger.
I didn’t name it. That’s a veggie burger portrayed here cause meat tortures, kills and just plain sucks! It’s not very good for you either.
If you’re using a phone or tablet, remember to turn it sideways for a better view of videos.