[ no obj. ] share or exchange information, news, or ideas: the client was unable to clearly communicate with his customer.
• [ with obj. ] impart or pass on (information, news, or ideas): they communicated the message to the user.
• [ with obj. ] convey or transmit (an emotion or feeling) in a nonverbal way: the ability of good teachers to communicate their own enthusiasm.
Graphic design is communication. It should meet one, if not all of the bullet points listed above. When I am designing I never forget the fact that all that I am doing and every decision I make is for the sole purpose of communicating the idea.
Here are some examples of my work: