Stratography is a specialized term that refers to the study of rock layering and their vertical sequences. Synonyms for this term include lithostratigraphy, chronostratigraphy, and biostratigraphy. Lithostratigraphy deals with the physical characteristics of rock layers, while chronostratigraphy focuses on the ages of rock layers. Biostratigraphy, on the other hand, focuses on the study of the fossils found in the rock layers. Other related terms include geochronology, which refers to the study of the age of the Earth, and paleontology, which is the study of ancient life forms. In summary, all these terms are related to the study of rocks and the natural history of the Earth.