From the end of the 13th century, GeometricGlossary TermtraceryGlossary Term, with its logical subdivisions, began to give way to more experimental and fanciful forms. Although traceryGlossary Term patterns were still derived from the geometry of circles, the circle itself was often omitted, and the upper part of the window head might be filled with trefoils, quatrefoils or daggerGlossary Term shapes.

• See how reticulated traceryGlossary Term is composed

The lively character of the DecoratedGlossary Term style is especially well shown by the fashion for flowing traceryGlossary Term, which was particularly favoured in the north of England during the 14th century.