Sketching is a type of drawing that is done completely freehand. It is often a technique used to create initial representations of final drawings or designs.
Sketching traditionally refers to a preliminary rough type of drawing that an artist might make in preparation for either a painting or a more formal drawing (like a study
The term drawing is applied to works that vary greatly in technique. It has been understood in different ways at different times and is difficult to define. During the Renaissance the term 'disegno' implied drawing both as a technique to be distinguished from colouring and also as the creative idea made visible in the preliminary sketch.
Drawing is a form of visual art in which a person uses various drawing instruments to mark paper or another two-dimensional medium.
(Drawing):The act of a person or thing that draws.
-A graphic representation by lines of an object or idea, as with a pencil; a delineation of form without reference to color.
-A sketch, plan, or design, especially one made with pen, pencil, or crayon.
The art or technique of making these.
A simply or hastily executed drawing or painting, especially a preliminary one, giving the essential features without the details.
A rough design, plan, or draft, as of a book.
A brief or hasty outline of facts, occurrences, etc.