The term 'mythical archetype' refers to universal symbols and themes that recur across different cultures and myths. These archetypes serve as foundational elements in storytelling, representing common human experiences such as the hero's journey, the wise old mentor, or the trickster. Recognizing these archetypes helps to understand the underlying messages within myths and their relevance to the human condition. Such structures resonate deeply with people, offering insights into their own lives and experiences.