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.
The Presidential Medal of Freedom is the nation's highest civilian honor. It is given in recognition of contributions to U.S. national security, world peace, culture or other significant public or private endeavors. Tuesday's medals were the second set Obama has awarded.