Autocad-2016 -

: A long-requested feature that lets you snap to the geometric center of polygons and closed polylines. Quick Start Guide for Beginners

: This version introduced "smoothed line display" for clearer geometry, replacing line segments with true curves to improve on-screen readability. autocad-2016

: Exported PDFs became smaller, fully searchable, and more performant when attached as external references. : A long-requested feature that lets you snap

: Perhaps the most significant update, this feature allows you to automatically create appropriate measurements by simply hovering your cursor over objects. autocad-2016

If you are just starting with AutoCAD 2016, focus on these fundamental areas: AutoCAD 2016 Block Creation - A How To Guide