These concepts were also important to the formation of ''[[za]]'' associations, and aesthetic and artistic circles and practices (such as ''[[renga]]'' poetry and [[tea ceremony]]) which acted as social spaces outside of formal hierarchies, where people were free to put aside their outside identities, and associate more freely regardless of official status or identity.<ref>Ikegami, 80-81.</ref> | These concepts were also important to the formation of ''[[za]]'' associations, and aesthetic and artistic circles and practices (such as ''[[renga]]'' poetry and [[tea ceremony]]) which acted as social spaces outside of formal hierarchies, where people were free to put aside their outside identities, and associate more freely regardless of official status or identity.<ref>Ikegami, 80-81.</ref> |