Scale

Change object's size
Home tab > Modify panel > Scale

Select object > Specify base point

Key-in scale factor

Rotate

Transform angle of an Object
Home tab > Modify panel > Rotate

Specify base point

Specify rotation angle (CCW +, CW -)

Copy

Duplicate geometry

Home tab > Modify panel > Copy

Specify base point

Specify second point for the duplicate object

Move

Reposition Object
Home tab > Modify panel > Move

Basepoint: Point from the object you want to move

Reposition object to a new location

Select Options

Select Last
After "Select objects" command prompt > L

Select most recently created visible object

Fence Selection

After "Select Objects" command prompt > F
Make a series of line segments across the objects to select

Crossing Polygon Selection

After "Select Objects" command prompt > CP
Specify points to define an area encloses or cross the objects

Window Polygon Selection

After "Select Objects" command prompt > WP
Specify points to define an area that entirely encloses the objects

Crossing Selection

Drag a rectangle from Right to Left

Window Selection

Drag a rectangle from Left to Right

Selection Set



An object or group of objects that you select is also a Selection set

In complex drawings, select only those entities need to edit is a challenge

Object Snap Tracking OTRACK

Status bar > Polar Tracking > Settings...

Polar Snap

Status bar > Snap > Settimgs...

Polar Tracking

Status bar > Polar Tracking > Right-click > Settings...

Object Snap Overrides

After a command > Shift + Right-click

Snap stay in effect until you click next point
Activate a seldom use Object Snap or need to snap to a confuse point

Runing Object Snap

Endpoint

Snap to the Endpoint of Line & Arc

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