How many types of circle created in auto cad?

We can create circle in auto cad by 5th method. First of all click on circle tool on drawing tool plate, or type "circle" in command prompt or type "c" in command prompt then chose your prefer option.

1. 2P- then click in drawing area then again once another destination in drawing area.
2. 3P-then click the centre point then second point then third point in drawing area.
3. TTR- First of all create two one or two object, which has 2 arms or two separate object then click on first object then second object then type radius of circle.
4. by centre point and radius- click the centre point wherever you want to make centre point then type radius.
5. by centre point and diameter- follow the serial no 4 and then type radius.