Surface Theory is a concept in linguistics that focuses on the observable aspects of language, such as syntax and phonetics. It examines how sentences are structured and how sounds are produced, emphasizing the surface forms of language rather than the underlying meanings or rules. This approach helps linguists analyze and describe the way language is used in everyday communication. In addition to linguistics, Surface Theory can also relate to mathematics and geometry, where it describes the properties of surfaces in three-dimensional space. In this context, it explores how surfaces can be represented and manipulated, contributing to fields like computer graphics and engineering.