The drawings you're referring are the ones related to the construction details, which are used to determine the dimensions or any other technical specification that the architect or the engineer wanted to be added to the construction.
Explanation:
These drawings following rigid and strict rules to be executed. They must show in detail the geometric form of a part of an object such as a building, bridge, tunnel, machine, plant, and so on. They tend to be large-scale drawings that show in detail parts that may be included in less detail on general arrangement drawings.
Down bow or Giù arco Like sull'arco, except the bow is drawn downward. On a plucked string instrument played with a plectrum or pick (such as a guitar played pickstyle or a mandolin), the note is played with a downstroke.
