Final answer:
The question pertains to the Geometry field of mathematics, focusing on calculating the area and perimeter of a Norman window, an architectural feature commonly found in Gothic architecture.
Step-by-step explanation:
The question refers to a Norman window, which is an architectural element consisting of a rectangle surmounted by a semicircle. This element is more related to the study of Geometry, specifically to the calculations of area and perimeter, which are fundamental concepts in this field of mathematics. The Norman window can also have significance in Architectural design, especially when analyzing historical styles such as Gothic architecture, where the use of geometric shapes and understanding the principles of ratios and proportions is crucial. However, considering the context of the schoolwork question and the fact that it mentions area and perimeter, it is clear that the topic here is primarily concerned with mathematical calculations rather than historical or architectural design aspects.