In property description, which form is often most complex and requires precise measurements?

The metes and bounds system is the most complex form of property description due to its reliance on detailed and precise measurements to define boundaries using natural landmarks, angles, and distances. This method outlines a property's boundaries by describing the perimeter in a sequential manner, which often involves various references to physical markers in the environment (such as trees, rivers, or roads) and specific angles and distances.

Because of this complexity, the accuracy of measurements is critical to avoid disputes over property lines. This system is particularly advantageous in irregularly shaped parcels of land where a simple grid-like system would be ineffective. The other methods mentioned, such as the rectangular system or simplified descriptions, provide easier and more direct ways of defining properties but do not possess the intricacies and detail associated with metes and bounds. Geographic coordinates can also provide precise locations but may not convey the nuanced physical characteristics of the land as effectively as metes and bounds do.