For me, painting is not an activity limited to working with brushes, paint and canvas, but involves a variety of tools, devices and instruments.
Painting is inclusive of drawing, tracing, cutting, gluing, rubbing, collage, taping, measuring, correcting, re-drawing, filling-in gaps, covering up, overlapping, removing, spraying, scraping, sanding, outlining, delineating, mapping, unearthing, blotting, splattering, daubing, etc.