A drawing isn't finished without some form of annotation. In AutoCAD, annotation takes the form of hatch patterns, text, dimensions, attributes, fields, and tables meta-information that clarifies and ...
AutoCAD is strong at annotation and detailing. It is one of its strengths. Dimensioning in AutoCAD is easy, right? Pick a couple of points, select where you want the dimension, wash, rinse and repeat.
We add hatching in AutoCAD to fill an enclosed area with a pattern, solid fill or gradient. Use hatch to represent materials, to detail sections (differentiate parts) or to show different zones.