It is a declarative programming paradigm, which means programming is done with expressions. In functional code, the output value of a function depends only on the arguments that are input to the function, so calling a function f twice with the same value for an argument x will produce the same result f(x) each time.
The definition of a steward is an employee who is charge of the management of a very big house or a person who is responsible for the food and drink staff at a restaurant.The definition of a steward is an employee who distributes food and drinks. 1  An example of steward is the head butler in a mansion.
Oversaw; p. p. Overseen; p. pr. & vb. n. Overseeing.] [AS. ofers['e]on to survey, to despise. See Over, and See.] [1913 Webster] 1. To superintend; to watch over; to direct; to look or see after; to overlook[2]. [1913 Webster] 2. To omit or neglect seeing; to overlook[5].