The user should preview a document first to make sure the layout is correct, so as not to waste paper if a font size or layout is incorrect.
Answer:
The answer is Lines.
Explanation:
A visible line, or object line is a thick continuous line, used to outline the visible edges or contours of an object. A hidden line, also known as a hidden object line is a medium weight line, made of short dashes about 1/8” long with 1/16”gaps, to show edges, surfaces and corners which cannot be seen.