you doodle
Shown in drawing and shown on drawing can mean the same thing. These statements would both indicate that the concept is shown somewhere within the drawing.
'Dessin' means drawing, or art, in French.
Retired and Extremely Dangerous. R.E.D
In the phrase, Jack was paining after he broke his crown, the word paining means that Jack was in pain.
Have my back means "defend me"
Back into the fight. Could also mean back into the struggle of life.
The phrase character sketch refers to a brief description of the personality of some person, real of fictional.
go back in time
It means "way back when"
you will never go back to it
Generally speaking, the phrase "back to back" means two events which occurred next to each other, which are intended to be visited or achieved separately and independently of each other.
Cowboys loved a colorful phrase! This means he got what he aimed for. The image is of drawing a jack for your poker hand.
drawing on a computer
To put on the back burner means to delay doing something till later.
This means that the person who said it is "watching your back", and is there to support you. "Watching your back" or "Got your back" means that they are in support and there to defend you if needed.
It is the result of drawing stem-and-leaf plots for two variables, back-to-back, such that they share the same stem.