Includes offers by one person or organization to another of terms and conditions with reference to some work or undertaking and plans or schemes put forward for consideration, discussion, or adoption.

drawings of an existing object, structure, or site, drawn to scale

drawings produced with the aid of instruments such as compasses or T-squares

architectural drawings presented to a client to illustrate how the building will look and function

generally any drawing made without the use of devices such as t-squares, triangles, or other mechanical means of rendering or tracing

transparent layers applied to a drawing or painting using diluted ink or watercolor. An example of usage is in order to create an atmospheric effect

refers to drawings or works in any other two-dimensional medium that employ perspective, meaning that they are executed by a systematic technique that creates the illusion of recession from a two-dimensional surface