An architect is a person who plans, designs, and oversees the construction of buildings. To practice architecture means to provide services in connection with the design and construction of buildings and the space within the site surrounding the buildings.
Before execution, they take an idea and design the concept of the home using various softwares and then convert them to a 3D model using software like Sketchup and 3DSmax. The design may include plans sections and elevations of the proposed built form.
Architects typically put projects to tender on behalf of their clients, advise on the award of the project to a civil contractor, facilitate and then administer a contract of an agreement which is often between the client and the contractor. An architect not just design walls and windows but is also responsible for electricity, plumbing, landscape and other allied services.