What Are 'Fantasy Codes'? Clarifying the Term & Possible Meanings

"Fantasy codes" isn't a standard or universally recognized term. Could you clarify what you mean? Possible interpretations:

• Early Fantasy Literature: Works like Beowulf (8th century) or The Song of Roland (11th century) with fantasy elements.
• Fantasy Tropes Origins: Magic, mythical creatures, quests—present in storytelling across cultures for centuries.
• Genre Foundations: Early works establishing high fantasy, sword and sorcery, or urban fantasy.

Once I understand your intent, I can give a precise answer.