Executive functions (also known as cognitive control and supervisory attentional system) is an umbrella term for the management (regulation, control) of cognitive processes, including working memory, reasoning, task flexibility, and problem solving as well as planning and execution.
Definition of finite. 1  1a : having definite or definable limits a finite number of possibilitiesb : having a limited nature or existence finite beings. 2  2 : completely determinable in theory or in fact by counting, measurement, or thought the finite velocity of light.
Infinite describes things that are endless, like the universe, or your Uncle Phil's jokes. Finite means something with an end, and when you add the prefix, in- meaning not, you get infinite: something that never, ever ends. If someone has read every single book about pyramids, you might say he as an infinite knowledge of ancient Egyptian culture, even though that's an exaggeration. He will sure stop talking about them at some point.