It is very difficult for the players to imagine a motor action that is only described with words.  Nothing can replace the image.  It is therefore strongly recommended to put the proposed exercises into an image either by letting the players or the coach demonstrate it or by showing a video of a high level player.
 
Questioning is an important part of the pedagogy employed because it allows to rephrase what has been said and to get a better idea of the player’s understanding of the instructions they are meant to follow.