What is a concrete object with an abstract meaning?

Examples of nouns that are both concrete and abstract:

The noun edge is a concrete noun as a Word for the sharp side of a blade or a tool; the part of something the farthest out.

The noun edge is an abstract noun as a Word for an advantage.

The noun football is a concrete noun as a Word for the ball used to play the game.

The noun football is an abstract noun as a Word for the game or the sport. The game of football is a concept.

The noun heart is a concrete noun as a Word for an organ in a body or the shape of a thing.

The noun heart is an abstract noun as a Word for the central or most important part of a matter.

The noun key is a concrete noun as a Word for an object used to engage or disengage something; a unit of a keyboard.

The noun key is an abstract noun as a Word for the element that leads to achieving or understanding something.

The noun license is a concrete noun as a Word for a written document or a type of sign affixed to a vehicle.

The noun license is an abstract noun as a Word for permission.

The noun vice is a concrete noun as a Word for a device used to hold an object firmly in place while work is done on it.

The noun vice is an abstract noun as a Word for a weakness or bad habit.