Which of the following best describes an assembly drawing?

An assembly drawing provides a comprehensive visual representation of how multiple parts fit together to create a complete unit or mechanism. This type of drawing illustrates the relationship between various components, showcasing their arrangement and assembly sequences. It often includes annotations that direct attention to specific areas, helping to demonstrate how individual parts interconnect within the whole assembly.

In contrast, other types of drawings serve different purposes. For example, a drawing that shows all details of a single part focuses solely on the specifications and features of that individual item, rather than the interaction between parts. Drawings exclusively for manufacturing may emphasize specifics pertinent to the production process and do not typically convey the assembly aspect. A drawing that indicates dimensions only is concerned with measurements and size but lacks the holistic view of how parts fit together. Therefore, the essence of an assembly drawing is its focus on the cohesion and function of multiple components in relation to one another, which makes choice B the accurate description.