knot arrow line. doodle chaos mindset, mess concept with freehand scrawl sketch, set of black scribble. hand

arrow ball black brain business chaos chaotic circle clew complex complexity concept confused confusing confusion curve difficult doodle drawing drawn easy freehand hand icon ideas knot line loading mess messages messy mindset paths prcoess process scrawl scribble scribbled scribbling scribbly set simplicity simplification simplify sketch tangle tangled thought vector way