Final answer:
Communal dances are important cultural expressions in societies that prioritize collective unity over individualism, embodying collective social beliefs and shared bio-understanding.
Step-by-step explanation:
Communal dances tend to be prevalent in cultures where collective unity is valued above individualism. These dances are integral parts of social bonding and often symbolize a shared bio-understanding within a community. Such practices may include elements influenced by spiritual or religious beliefs, as in the case of Buddhism influencing the communal aspect of certain cultures.
Collective social beliefs and values greatly affect a culture's practices, including dances which often embody communal values and solidarity, as seen in various cultural contexts, from festival banquets to formal rituals that alter brain chemistry and foster a closeness among participants.
Patterns of cultural diversity also manifest in communal dances, reflecting how societies prioritize the groups over the individual, leading to a cohesion and shared identity reinforced by such cultural expressions.