What are civil engineering basic theory?

Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings. General civil engineers work closely with surveyors and specialized

Civil engineering was the first and the oldest engineering coarse we have. Basic Theories or subjects related to civil engineering includes surveying and levelling, elements of civil engineering, engineering drawings, Mechanics of solids, structure analysis, structure design, earthquake engineering,