Nearly all the great visual discoveries could be shown with a pencil. Probably drawing is as near to instinct as can be found in art. Drawing is a way of remembering. It is a way of reliving. The process of drawing, not the drawing, is what counts.
Drawing is a way of focusing.
In a museum, if you wish to examine a Titian, or a Rubens, or a Piero, then your best way is to draw it. Make a copy, even if it is only in your head. A painter's drawings often precede the changes in his development. The image first. Information, that horrid art school buzzword, has little to do with drawing.