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 Purple Heart Medal is Awarded to any member of the Armed Forces of the United States or any civilian national of the United States who, while serving under competent authority in any capacity with one of the U.S. Armed Forces, after April 5, 1917, has been wounded, killed, or who has died or may hereafter die of wounds received under any of the following circumstances...