Hi, and welcome to my interactive mobile-friendly project on Bezier curves! Try dragging points around and watch how the curve changes. Watch what happens when you change the slider, and try adding points and selecting and removing them using the buttons. You can have as many or as few points as you want, but more points may mean more lag.
This was entirely created by me, but I found this Wikipedia article interesting: https://en.wikipedia.org/wiki/B%C3%A9zier_curve