What is a geodetic survey primarily concerned with?

A geodetic survey focuses on determining precise geographical positions while taking into account the Earth's curvature. This is crucial because the Earth is not a perfect sphere; it has variations in its shape and gravitational field. Geodetic surveys employ advanced mathematical methodologies and techniques, such as triangulation and satellite positioning systems, to achieve high accuracy over large distances.

Understanding the curvature of the Earth allows surveyors to make correct adjustments in measurements that span extensive areas, providing reliable data for mapping, navigation, and construction projects. This precision is essential for applications that require data integration across regions, such as national and international boundary definitions and any large-scale engineering projects.

While the other options may relate to surveying concepts, they focus on localized or specific measurement aspects that do not encompass the broader and more comprehensive nature of geodetic surveys.