The goal of design is understanding. To design is to make decisions about how to communicate efficiently your work. Design is something that is easy to use, read or interact with.
Design make users want to engage and experience your work. While designing you are crafting memorable and engaging user experiences. Design seduces, shapes and evokes an emotional response.
Creativity is just connecting things. Creative people are able to do that because they have thought more about their experiences than other people, pulling things to pieces and putting them back together in new ways.
There is no Design without discipline, and there is no discipline without intelligence. Designers provide years of mastery, expertise, creativity & intuition, taking invisible ideas and make them tangible.