Any design is a form of visual communication. Design is a creative endeavor to problems within the medium of visual communication. In regards to graphic design, it should be something that can be replicated in order to achieve its goal recurrently via a variety of media. Great and effective design sends the same message and idea to all who see it.
The same goes for digital and web based designs. But it’s more than that. It incorporates every facet of the visual experience including the user’s experience. Ultimately, all of these will influence the effectiveness of a website, mobile app, etc.
Remember, a successful design must attract the right audience, and in the right numbers. It must be captivating to engage and keep the user’s attention. Great design must be easy for people to read, digest and navigate. Every design serves a purpose; one of which should be to communicate a message to all who see it.