So v knot is the y coordinate. That's the velocity, the rate at which the enzyme catalyzes that reaction. And this is equal to the product of a constant V max. This Y value here multiplied by this ratio, the substrate concentration, the X value divided by Km, the Mikaela's constant. Plus, once again, the X value, the substrate concentration. Now, what we want to explore in this lecture is the meaning behind this equation.