One of the best ways to communicate one's ideas is through some form of picture or drawing.. "Sketching" generally means freehand drawing. "Drawing" usually means using drawing instruments, from compasses to computers to bring precision to the drawings. Any architectural drawing should show everything - a complete understanding of the object should be possible from the drawing without any need for explanations.
Architectural drafting principles are based on time tested practices based on standards. Architectural drawing technique refers to a style or quality of a drawing imparted by the individual drafter to the work. It is characterized by crisp black line work, lettering, consistency, and uniformity. Architectural drawings should reflect the rigid line control of a mechanically produced drawing combined with the artistic expression conveyed through architecture. An architect plans a structure to its relationship to its environment. For this architects should be conversant with the different drawing conventions to help them choose appropriate drawings for good presentation. Presenting three dimensional objects on two dimensional media is called as drawing convention. In general there are four drawing conventions: