Introducing a list. The colon is used to introduce a list of items. The bookstore specializes in three subjects: art, architecture, and graphic design. Do not, however, use a colon when the listed items are incorporated into the flow of the sentence.
Definition of medal for Students. : a piece of metal often in the form of a coin with design and words in honor of a special event, a person, or an achievement.
An Expeditionary Medal is a military decoration which is awarded by the United States of America to its military personnel for deployment to a foreign region to participate in a campaign or conflict.