Represent:
* Represent
* Stand for
* Signify
* Indicate
* Denote
* Embody
* Imply
* Suggest
* Connote
* Mean
Be a symbol of:
* Epitomize
* Typify
* Personify
* Incarnate
* Be emblematic of
Be a visual representation of:
* Depict
* Illustrate
* Portray
* Represent
The best synonym to use will depend on the specific context and the nuance you want to convey.