The term "earth structure" refers to the geological formations and features that make up the surface and layers of the planet. There are a variety of synonyms that can be used to describe these structures, including geology, rock formations, landforms, terrain, topography, and landscape. Each of these words implies a slightly different aspect of earth structures, from the types of rocks and minerals they consist of (geology) to the physical shape and characteristics of the land (topography). Additionally, terms such as strata, layers, and sedimentary structures are used to describe the unique patterns and structures found within the earth's crust and layers.