"...[Folklife] means the traditional expressive culture shared within the various groups in the United States: familial, ethnic, occupational, religious, regional; expressive culture includes a wide range of creative and symbolic forms such as custom, belief, technical skill, language, literature, art, architecture, music, play, dance, drama, ritual, pageantry, handicraft; these expressions are mainly learned orally, by imitation, or in performance, and are generally maintained without benefit of formal instruction or institutional direction."