How to use ALIGN (Command) in Autocad
Shortcut key of Align Command Type "AL" and Press Enter.
Condition to use Align Command:
Either one, two, or three pairs of source points and definition points can be specified to move, rotate, or tilt the selected objects, aligning them with points on another object.
Now Select Object that you like to align with another object or line. now Select source points of Object and drag it to second object (where you liked to align with). now drag second point of object and drag it to second object (where you liked to align with) and then press enter or space button 2 times. Your first Object Align to second Object.