Well both etching and drawing show a whole picture, use ink, and both are considered sketches.
These are just some simple similarities. Hope this helps.
If you're using paper, find the object you want to use for the texture. Put the paper on top of the texture. Whatever media you're using (pencil, charcoal, paint, oil pastels, etc.) lightly brush over the paper with your pencil for example, while your texture is underneath.
Very cute think what kind are they
the roman capital was moved to the city of Byzantium which was then renamed to Constantinople after the Roman Emperor Constantine, so B.
hope this helps :D have a great day!