Architectural design is primarily concerned with functionality. A-building has to meet the needs of the person or people using it. Safety is also a primary concern a new building needs to be structurally sound, designed to withstand the test of time and built in line with current building regulations.
Architectural design is a discipline that focuses on covering and meeting the needs and demands, to create living spaces, using certain tools and especially, creativity.
Civil engineering is a professional discipline that deals with the design, construction and maintenance of the physically and naturally built environment, especially public sector works such as roads, bridges, dams, highways, airports, pipelines, sewage and drainage systems, railways, ports and all the rest.
A design engineer is an engineer focused on the engineering design process in civil, mechanical, electrical, chemical, textiles, aerospace, nuclear, manufacturing, systems, and structural /building/architectural engineering disciplines.