Drawing made with chalk a white marine rock that is traditionally white in colour and can sometimes be coloured. Ink A strongly tinted liquid or paste that is used to mark paper or other printable materials. The design is done manually with a slab feather brush or straightener. Marker Drawing made using a large felt with its own ink source. The ink may or may not be indelible. Technic Drawing Drawing is a technique of visual representation on a flat support. The term “drawing” designates both the action of drawing the resulting graphic work and the shape of any object. It is also a representation on a surface of the shape (and possibly the light and shadow values) of an object or figure rather than their color. There are a large number of drawing techniques: Linear drawing represents objects by their outlines edges and some characteristic lines; beyond this limit the drawing develops by representing the volume by shadows often by means of hatching incorporates colors and joins without clear transition the painting.###Drawing made with chalk a white marine rock that is traditionally white in colour and can sometimes be coloured. Ink A strongly tinted liquid or paste that is used to mark paper or other printable materials. The design is done manually with a slab feather brush or straightener. Marker Drawing made using a large felt with its own ink source. The ink may or may not be indelible. Technic Drawing Drawing is a technique of visual representation on a flat support. The term “drawing” designates both the action of drawing the resulting graphic work and the shape of any object. It is also a representation on a surface of the shape (and possibly the light and shadow values) of an object or figure rather than their color. There are a large number of drawing techniques: Linear drawing represents objects by their outlines edges and some characteristic lines; beyond this limit the drawing develops by representing the volume by shadows often by means of hatching incorporates colors and joins without clear transition the painting.