What Does Algorithm Mean?

In its purest sense, an algorithm is a mathematical process to solve a problem using a finite number of steps.

Techopedia Explains Algorithm

Probably the best way to understand an algorithm is to think of it as a recipe. There are many ways to bake cookies, but by following a recipe a baker knows to first preheat the oven, then measure out the flour, add butter, chocolate chips, etc. until the desired cookies are complete.