The Celtic knot is a design motif involving interwoven lines that loop around one another forming intricate knots. Developed by Celtic tribal artisans by the 7th century CE, Celtic knots decorate a variety of objects and structures but are best known for their use in the ornamentation of Christian monuments and manuscripts like the 8th-century Book of Kells and Lindisfarne Gospels. How many elementary knots are thought to form the basis of nearly all interlaced patterns in Celtic decorative art? Discuss
Source: The Free Dictionary