doodle
ˈduːld
Definitions
1. verb
to draw or write aimlessly, especially in a childlike manner
“The children were doodling on the margins of their notebooks.”
2. noun
a drawing or scribble, especially one that is careless or aimless
“The doodle she drew on the napkin was quite amusing.”
3. noun
a rough or preliminary drawing or sketch, especially for a design or plan
“The architect made a doodle of the proposed building before finalizing the design.”