Watch the Ivan Sutherland Sketchpad Demo. It is a video explaining in detail what this system is

capable of$.$

Having in mind:

A$.$ Modern painting software$/$applications $($e$.$g$.$ MS paint, Photoshop, $...)$

B$.$ Sketchpad by Ivan Sutherland $($Ivan Sutherland Sketchpad Demo$)$

C$.$ Paper$/$canvas$-$based painting

$5.$ Name at least two of the main metaphors that have been used for A and B$?(2$ metaphors in

A$,2$ metaphors in B$)$

Please, identify your modern tool$/$software$/$application of reference and a screenshot of the

interface you are talking about before answering this question. You can use the screenshot from

Photoshop provided in this question as a point of reference as well.