Turn on your screen reader.
Swipe right to move to the screen reader focus next element.
Swipe left to go back.
This will move to ALL elements with readable text.
Such as buttons, links, images, etc.
After you have practiced a bit, turn off your screen reader and tap the lightbulb to "turn off the lights".
With the lights off, turn your screen reader back on and try these same gestures.
When you are done, turn off your screen reader and go to the next lesson