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 iTaB is a small plate, typically [but not exclusively] engraved with the runner's Name and Finish Time, which fits neatly in to a recess on the back of the Finisher Medal; the addition of the recess is a very simple modification for any manufacturer to add to your medal design.