An Architectural Consultant is a professional who is employed to prepare technical drawings of a building (or building project) that falls within the definition of architecture. Architectural drawings are used by architects, designers and others for a number of purposes: to develop a design idea into a coherent proposal, to communicate ideas and concepts, as a record of the completed work, to convince clients of the merits of a design, to enable a building contractor to construct it, and to make a record of a building that already exists, so are therefore imperative for a building project to run smoothly.
Architectural drawings are drawn by hand or more so these days through computer aided design software, which include particular views (floor plans, elevations, sections etc.) Those drawings are set up as particular sheet sizes, units of measurement and scales, annotation and cross referencing.
These 2-D architectural drawings are commonly developed into 3-D visuals to assist the client / end user to envisage the proposed end result.