'''Christmas lights''' (in rare instances, sometimes called ''fairy lights'' or ''twinkle lights'') are strands of electric lights used to decorate Christmas trees and homes during the winter holiday season. Christmas lights come in a dazzling array of configurations and colors. | '''Christmas lights''' (in rare instances, sometimes called ''fairy lights'' or ''twinkle lights'') are strands of electric lights used to decorate Christmas trees and homes during the winter holiday season. Christmas lights come in a dazzling array of configurations and colors. |