If i said to you - "Think of a dog" - What would come to mind?
What Colour? - How Big? Long hair, Short hair?
Now, when i said "Think of a dog" - Why didn't you think of the letters A-D-O-G?
FOR ONE SIMPLE REASON - HUMANS THINK IN PICTURES, NOT WORDS!
Hence the phrase "A picture speaks a thousand words"
So when you teach, you need to show the pupil in pictures, what you are going to do in that lesson and then if any mistakes are made - you need to show them in pictures where it went wrong, why it went wrong, and what they need to do to make sure it goes right next time!
So many ADI Part 3 trainees come to us without a briefing folder or images - Your part 3 is a TEACHING EXAM- waving your hands around does nothing, because you have an image of the road or situation in your head - but to the pupil it means absolutely nothing.