This is a bit of a misnomer. Some of these have colour in them. I don't know why people are so concerned about media. A picture is a picture regardless of how it is made. I have often for example put pencil effects in oil paintings. Perhaps the major distinction is the technical simplicity of drawing. It represents "thinking time". As someone once said, "drawing is the probity of all art". I believe this. Even if one ends up putting beds in galleries there is no better way of giving yourself eyes than putting pencil on paper and looking. Glorious low-tech stuff! This applies even if one becomes an architect or photographer. These drawings are highly finished end products in themselves.
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