Intangible Cultural Heritage: Aspects of culture that cannot be physically touched but are transmitted orally, through performances, or in other non-material ways (e.g., storytelling traditions).
Cultural Diffusion: The spread of cultural traits, ideas, or practices from one society to another through contact and interaction.
Ethnic Identity: A sense of belonging and identification with a particular ethnic group based on shared language, customs, traditions, history, etc., which contributes to shared cultural heritage.