A size sheet. It is 8.5x 11 inches. A size sheet is 9x12 inches. Inked or computer plotted drawings use different pen widths while inking or plotting to achieve similar effects. Object lines are bold, but about half as bold as border lines.
Dimension lines are about half as bold as object lines.
In AutoCAD's print dialogue box your are allowed to designate different line widths for each different color. Always horizontal near text and always bent to diagonal near object.