A "simple sketch" refers to a basic drawing or outline of something. It's not detailed or complicated, just a quick and easy depiction of an idea or concept. Full definition
«Once perfection is achieved, you can just double it,» is the message released alongside a very simple sketch, one that invited our imagination to go wild. (topspeed.com)
But even a few simple sketches along with explanatory text can help your message spread — and inspire conversations that can lead to connection, action and impact. (socialsignal.com)
Simple sketches of the human form have captivated artists for centuries, from Michelangelo to Matisse to modern - day amateur artists taking their first evening class. (styleathome.com)