This video reminds me of a user I helped out this morning.
"Okay, perfect, now just scroll all the way left in that field so that you can see what it says at the beginning"
"Scroll left? What do you mean?"
"Well, you can only see the second half of the text, so you need to scroll to the left to see how it begins"
"How?"
"You can either click your left mouse button, hold, and then pull it to the left, or just click the left mouse button once and then hold the left arrow"
"Left arrow? No... I don't think that would work"
"Would you please try it? Once? Just click once, then hold the left arrow key"
"No, that won't work I don't think."
...