Christmas lights, also called fairy lights, are strands of electric lights used to decorate homes and gardens during the festive season. Christmas lights come in many colours and shapes, and can be used indoors and outdoors. Indoors, Christmas lights are usually used to line the walls, windows, doorways and even staircases. Many people also put up Christmas trees and hang lights from them as part of the decoration. You can find a variety of different coloured lights and LED displays for indoors. Outdoors, Christmas lights are used in a variety of ways. They can line the pathways, driveways and window ledges. You can also hang patio lights or create a lighting display in the garden. Christmas lights can also be hung from trees, rooftops and buildings. Some towns and cities also have special illuminated displays for the festive season. Christmas lights have become an important part of the festive season. Whether you're decorating your home or taking part in your town's light display, Christmas lights will bring a little bit of sparkle and joy to the festive season.