We can identify a symbol because It is an ordinary object that takes on a wider significance that adds meaning to a story.
Explanation:
Symbols are literary devices that add meaning to the story since they have several connotations beyond the obvious ones that the element could have, at first sight, they are connected to interpretation and they can explain many traits and motives in the way the characters behave as well as the reason behind many events.
-The right to levy tariffs on imports and exports -The right to coin money -Declare war and peace -Raise and maintain armed forces -Establish post offices