Understanding the manufacturing drawing is seems to be a quite difficult to compare normal drawing sheet.
Multinational company introduced Uni graphics also called NX CAD design software. This software useful to save the time in designing of complicated parts. Tools available in Unigraphics software are easily understandable.
This is a computer aided design (CAD) and drafting. This is used for developing 2D drawings (Two-Dimensions) and 3D drawings (Three dimensions).