One Liners!
In reality it would only be a circle or oval if kept to only one line. But, a simple line drawing can be a great introduction to How to Draw many things with ease that will be filled with artistic expression. See How to Draw a Snail to see how easy it can be.
I have used the One Liner Method a lot to get myself warmed up and to also get a feel for the volume of the item I am about to seriously draw.
A quick example is provided her with some “line” instructions to draw a bird. Yes, I realize it’s pretty armature but fun just the same. And, the most important part is that it’s a quick way to get you started. You can draw bird with just two basic lines. After the two main lines are drawn it will be easy to add the eyes, beak and feet.This is all done with five steps. Step by step.