What is the main purpose of the design of a water hose?

A: aesthetics

B: communication

C: functionality

The water hose is a flexible tube for conveying a liquid, as water. The main purpose of the design of a water hose is functionality.

The reason why the water hose is designed is: to carry fluids from one location to another. the aesthetics is not so important, as the fact that the fluid will be carried without leakage.