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 devices which are usually attached to suspension and service ribbons of medals and to unit award ribbons, vary between 3/16 to 11/32 inches in size and are usually made of brass or metal alloys that appear gold, silver, or bronze in color with either a dull or polished look.