This is a simple task.

Using simple herbs can be an effective way to treat certain ailments.

Simple interest is calculated only on the principal amount.

A lever is a simple machine that helps to lift heavy objects.

This is a simple sentence.

She is a simple-hearted girl who always sees the good in people.

But this view is far too simple.

She is often taken advantage of because she is simpleminded.

He is often mocked for being a simpleton.