Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and constructing buildings or other structures..
AutoCAD ---
Many architects use AutoCAD as a 2D drawing tool for creating floor plans, elevations, and sections. This architectural software speeds up the drawing process with pre-built objects like walls, doors, and windows, that behave like real-world objects.
SketchUp ---
SketchUp can be used for a variety of applications, including architecture, interior design, engineering, construction, and more. You can create models of buildings, furniture, landscapes, and more, and add details such as textures, lighting, and shadows to create realistic visual..
With a help of this Architecture Utube channel you learn .. How to use AutoCAD commands & SketchUp models in realistic ..