With manual drafting, you use drawing tools that include pencils, scales, compasses, parallel rules, templates, and erasers. Repetitive drawing and editing tasks must be done manually. ...

In AutoCAD and AutoCAD LT, you can choose from a variety of drawing tools that create lines, circles, spline curves, and more.

You can easily move, copy, offset, rotate, and mirror objects. You can also copy objects between open drawings.

In this drawing of a trolley, copying and mirroring were used to create repeated and symmetrical features. Offsetting was also used to draw parallel lines more efficiently.
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Source: download.autodesk.com