Q Quatrefoil In art, architecture, and traditional Christian symbolism, the quatrefoil is a type of decorative framework consisting of a symmetrical shape which forms the overall outline of four partially overlapping circles of the same diameter. The word quatrefoil means "four leaves", from Latin quattuor, four, plus folium, a leaf.
Quill A writing tool that was used from the 6th to 19th century. The stem of a feather (most often Goose) was cut into a diagonal point and dipped in ink, which was held in the hollow tube. The sharp tip was then used to transfer the ink to the paper.
Today, quills are used in calligraphy and other art methods.