Answer:
A sketch is a drawing that is done quickly without a lot of details. Artists often use sketches as a preparation for a more detailed painting or drawing.
Explanation:
#CARRYONLEARNING
Sketch is an unfinished, shaded, drawing often used by a pencil or colouring pencil. Often used in assistance to make a more revealing drawing.
Look at the picture that I have pinned, it is an example of a sketch
