What command creates a rectangular area in AutoCAD?

The command that creates a rectangular area in AutoCAD is the RECTANGLE command. This command is specifically designed for easily defining rectangular shapes by allowing users to specify two opposite corners of the rectangle. When using the RECTANGLE command, you can click two points on the screen or enter specific coordinates, leading to an accurate and efficient creation of rectangles.

Using the RECTANGLE command is straightforward, as it prompts the user to provide the location of one corner, followed by the opposite corner, enabling precise control over the dimensions of the rectangle being drawn. This functionality is crucial for drafting and design processes where rectangular areas are fundamental elements.

In contrast, the POLYGON command creates multi-sided polygons, and while it can be used to create a rectangle by specifying the number of sides and side lengths, it is not the most direct or efficient method compared to the dedicated RECTANGLE command. Additionally, SQUARE and RECTANGULAR are not recognized AutoCAD commands; therefore, they do not exist within the software for drafting purposes. Thus, the most effective and accurate choice for creating a rectangular area is the RECTANGLE command.