Many things, depends on context. A sword, a fist, an atom, Lightning and in some cases certain animals such as a lion.
For Native Americans it is the bear.
The conch, the glasses/fire
Yes. It represents a process of thought, not a concrete object.
A noun is a word for a person, a place, a thing, or an idea.
symbol mnemonic
Gary says that is represents power
A symbol an arbitrary sign (written or printed) that has acquired a conventional significance. It is also something visible that by association or convention represents something else that is invisible.
Any energy producing object.Any thing like batteries,power plants etc.
The Dragon represents power.
It represents the velocity of the object.
biosphere
A couch.
money
lion
An object becomes a symbol if it represents something. For example, a crown is symbolic of leadership as it represents a king or queen.
A metaphor is an object, person, or animal that represents something beyond itself
Vgdh
Straw
maybe blanket