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 star refers to achievement and its twelve points refer to the measurement of time and to the sustained meritorious service of the Army Reserve Components. The disc (the circle of perfection) bears the torch for guidance and the laurel for honor and glory.