Cursive-derived silhouette with no transparent inner structure. Simplified in the 1956 reform from traditional
為 (9 strokes), which originally pictured a hand leading an elephant to work — hence the verb senses 'to do, to act as, to make'. The modern 4-stroke shape is a stylised contraction of that older drawing; the elephant and hand are no longer visible. Indexed under Kangxi #3
丶 (the dot radical) by tradition; the radical isn't visibly meaningful in the modern form.