What is the relation, if any, between a web master and a web developer?

A) They are simply different titles that different companies may use for the exact same job.

B) While a web developer maintains a company's websites, the web master creates them in the first place.

C) There is no relation between them as they handle entirely different aspects of a company's web presence

D) While a web master maintains a company's websites, the web developer creates them in the first place.