Line: It is an entity to specify or connect two points.A line has two end points;one is start point,other is end point.These two points are specified in AutoCAD using co-ordinates namely (1,1) as start point and (10,20) as end point.(1,1) indicates the distance of the point from the origin that is (0,0) along the x-axis and y-axis respectively.
The DRAW is the first and the foremost of the menus used in AutoCAD.The DRAW menu consists of the following sub commands.
1.Line
2.Ray
3.Construction Line
4.Multi Line
5.PolyLine
6.3D polyline
7.Polygon
8.rectangle
9.Helix
10.Arc
11.Circle
12.Donut
13.Spline
14.Ellipse
15.Block
16.Table
17.Point
18.Hatch
19.Gradient
20.Boundary
21.Region
22.Wipeout
23.Revision Cloud
24.Text
The details of each of the sub commands will be discussed in the coming posts.