Input (grade 13): The type of tracery that evolved to fill these spaces is known in England as Geometric Decorated Gothic and can be seen to splendid effect at many English and French Cathedrals, notably Lincoln and Notre Dame in Paris.
Output (grade 8): In England this style is called Geometric Decorated Gothic. It can be seen at many English and French Cathedrals, for example Lincoln cathedral in England and Notre Dame in Paris.