I think drawing is important for everyone who gets creative. Because with the line captured on (mostly) paper, I initially make notes of what is on my mind mentally. Therefore, this "thinking with the pen" is also the basis for the further development of thoughts.
When I create a drawing, I can decide during the process whether it's just a note or whether I want to develop it further into an independent entity. The liveliness of the line, its expressiveness and dynamics certainly also play a role. It often describes the thoughts behind it much more than a painterly surface.
Of course, the variety also depends on the material used. I use a pen, pen, marker or brush. How soft or hard are they. There is a plethora of possibilities, and each one has its own idiom.