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.
The first photograph was taken by Joseph Nicephore Niepce between 1826 and 1827. The image depicts the view from an upstairs window at Niepce's estate, Le Gras.
A thread or filament from which a vegetable tissue, mineral substance, or textile is formed
