Tectonic dynamics is a field of research that focuses on the movement and interaction of the Earth's lithosphere, which is composed of the crust and upper mantle. This field examines the processes that drive tectonic plate movement, including convection currents in the mantle, subduction zones, divergent boundaries, and transform faults. Tectonic dynamics also investigates the various geological structures, such as mountains, valleys, and earthquakes, that result from tectonic plate interactions. By studying tectonic dynamics, researchers aim to better understand the Earth's geological history, predict seismic hazards, and improve our knowledge of the planet's evolution.