Draw tools, Object Snap and Dynamic Input - Introduction to AutoCAD 2011: 2D and 3D Design - page 60

nea - nearest;
ext - extension. (Fig. 3.14)

Quadrant

Center

Quadrant

Fig. 3.14 Second example - Osnaps

Dynamic Input (DYN)

When Dynamic Input is set on by either pressing the F12 key or with
a click on the Dynamic Input button in the status bar, dimensions,
coordinate positions and commands appear as tips when no tool is in
action ( Fig. 3.15 ).

With a tool in action, as the cursor hairs are moved in response to movement

of the mouse, Dynamic Input tips showing the coordinate fi gures for the point

Fig. 3.15 The DYN tips appearing when no tool is in action and the cursor is moved