Ancient Celtic designs are characterized by intricate patterns and motifs that often include spirals, knots, and interlacing lines. These designs were commonly found in Celtic art, which flourished in regions such as Ireland, Scotland, and Wales. They were used in various forms, including metalwork, stone carvings, and illuminated manuscripts. The symbolism in Celtic designs often reflects themes of nature, spirituality, and the interconnectedness of life. Common elements include animals, plants, and geometric shapes, which were believed to hold deeper meanings. These designs continue to influence modern art and culture, celebrating the rich heritage of the Celtic people.