Final answer:
Space-defining objects in art influence the perception of space around them, contributing to the artwork's composition and the illusion of depth. Alternatively, things that lack this quality might be considered space-neutral or space-ambiguous.
Step-by-step explanation:
The student's question appears to be focused on the qualities of objects in relation to the sense of space they evoke. In the field of art, space can refer to the area surrounding the main focus of an artwork and can be described in terms such as positive or negative, and shallow or deep. Objects that evoke a strong sense of surrounding space could be termed space-defining objects, as they influence and accentuate the spatial relationships within an artwork. On the other hand, objects that lack this characteristic might be termed space-neutral or space-ambiguous.
Understanding this concept is key in appreciating how artists use space to shape the viewer's perception, create a sense of environment, and manipulate the illusion of depth. An artwork's composition and its interaction with space can greatly affect its overall impact and the story it tells.