This is a sign. A sign is a physical object that gives the reader a mental image of an idea, thought, or other mental event. The study of these kinds of ideas is called semiotics.
connatation
A noun is a word for a person, a place, a thing, or an idea.
Using a thing to stand for an idea
A noun is a word that represents a person, place, thing, or idea.
Symbol
Actually, a noun is all of those things. The definition of a noun is a word for a person, place, thing, or idea.
Allusion:a brief reference to a person, event, place, or phrase
The noun year is an idea, an abstract noun, a word for a thing.
An event idea is an idea that includes how an event should be planned. For example, a pool party event idea might include themed invitations, grilled food and more.
The term you're looking for is "model." A model represents an idea, event, or object, simplifying complex concepts to enhance understanding. Models can take various forms, including physical representations, mathematical equations, or conceptual frameworks, and are widely used in fields like science, education, and engineering.
Yes, a noun is a word for a person, a name, a place, a thing. You must understand that "thing" is a very wide category, including abstractions, emotions, and ideas.
History can me seen as aaggreate of past event (Improved) History is defined as "Past event's." Where as Origin is defined as "Place of beginning", or where the event/product/idea/person/place/thing -Originated- from.