Ah, a lovely question! "Sface" may refer to "surface," which is the area on which you are drawing. It's important to pay attention to the texture and details of the sface to create a beautiful piece of art. Just remember to enjoy the process and let your creativity flow onto the sface of your drawing.
Do you mean a drawing "pen?"
when you do a drawing using only lines
Contour drawing is drawing the outline shape of an object. Composition is the arrangement and organization of the artwork using the elements of art.
observing something
Photo means light and ography (pronounced graphe in latin) is drawing or lines. Therefore drawing with light.
drawing on a computer
Drafting means actually drawing the drawing.
Do you mean a drawing "pen?"
Drawing a spade or club.
dibujo
you doodle
drawing
Foto means Picture....... Dibujo means Drawing...!! =)
If you mean something like a doodling drawing app, then yes.
when you do a drawing using only lines
an ellipse is a circle in a drawing. E.G. at the top of a flower vas.
Shown in drawing and shown on drawing can mean the same thing. These statements would both indicate that the concept is shown somewhere within the drawing.