What is today's meaning of bellerophonic letters?

Bellerophonic letters refer to a form of writing or script that uses symbols or characters resembling those attributed to the mythological figure Bellerophon, often associated with the idea of heroism and overcoming challenges. In modern usage, the term can also relate to the broader concept of conveying complex ideas or narratives through symbolic representation. However, it is not commonly used in contemporary language and may require contextual understanding to grasp its full meaning.