Here's why:
* Signs are broadly defined as anything that stands for something else. This could be:
* Symbols: These are often visual representations, like a red traffic light representing "stop".
* Words: These are verbal symbols representing concepts, like "love" or "justice".
* Gestures: Non-verbal signs, like a thumbs-up signifying agreement.
* Numbers: Symbols representing numerical values.
* Icons: Visual representations of things, often simplified or stylized.
Other terms that might be used, depending on context:
* Representations: This emphasizes the act of standing for something.
* Representational systems: This focuses on the organized use of signs, like language or art.
Let me know if you have any more questions about signs, symbols, or communication!