Which statement is true regarding CAD drawings?

The statement that some CAD drawings are created for multiple environments is accurate because CAD (Computer-Aided Design) drawings can indeed be adaptable and utilized across various contexts and applications. For example, a CAD drawing might serve purposes in architecture, mechanical engineering, electrical systems, and urban planning, among other fields. This versatility allows designers and engineers to create drawings that can be interpreted and modified for different settings or requirements, thus supporting interdisciplinary collaboration and effective communication among various stakeholders.

In contrast, the other statements do not hold true universally. While many CAD drawings are vector-based, not all CAD applications strictly adhere to this principle alone. The projection of CAD drawings is also feasible, depending on the software used and the intended purpose; hence, the statement claiming that none can be projected is not accurate. Lastly, CAD drawings are often not limited to representing only physical structures; they can also include conceptual designs, workflows, and even abstract representations that serve various planning and design processes. Therefore, the idea that they solely represent physical structures is overly restrictive and does not capture the full scope of CAD capabilities.