Explain the concept of "zombie apocalypse" in popular culture.

The concept of a "zombie apocalypse" in popular culture is predominantly understood as a metaphor for societal collapse. In various narratives, the emergence of zombies serves as a powerful symbol of the breakdown of social order, leading to chaos, fear, and the struggle for survival. This scenario often reflects real-world anxieties, such as fears of pandemic diseases, the breakdown of civil society, or the consequences of environmental disaster. The depiction of characters navigating through a post-apocalyptic landscape highlights themes of morality, human resilience, and the fragility of civilization.

In essence, while the zombie apocalypse genre entertains with its thrilling and horrific elements, it also invites audiences to reflect on deeper societal issues, making it a poignant commentary on contemporary fears and challenges. This metaphorical interpretation resonates with viewers, linking the fictional world of zombies to very real concerns about societal stability and the human condition in times of crisis.