AutoCAD 2010/Draw Commands/Line and Arc commands

INTRODUCTION
AutoCAD is one of the leading software programs in the field of design and engineering drawing. The program is well known for its extensive tools, comprehensiveness and ability to handle the solution of all engineering issues easily and in addition to the working team s continuous development and improvement. AutoCAD is one of the most important graphics and engineering programs with 2D and 3D dimensions.
DRAW COMMANDS
Draw panel contains icons set of special drawing tools (commands) for this program. The following is an explanation of these commands.
1) LINE COMMAND
Line command used to creates single straight line or more by specifying the line ends coordinates (2D or 3D coordinates), and can be activated by one of these methods:
1. From tools bar menu, choose Draw >> Line.
2. Click the Line icon from the ribbon.
3. Type Line in the command bar or L, as shown below:
Command: LINE or L, and press ENTER.
2) ARC COMMAND
Arc command used to create single arc using many ways, you can specify combinations of center, endpoint, start point, radius, angle, chord length, and direction values. Its can be activated by one of these methods:
1. From tools bar menu, choose Draw >> Arc.
2. Click the Arc icon from the ribbon.
3. Type ARC in the command bar or A, as shown below:
Command: ARC or A, and press ENTER.