Final answer:
The abstract or theoretical meaning of a concept being studied is called constructs.
Step-by-step explanation:
A concept that is studied can have an abstract or theoretical meaning. In this context, the correct option is B) Constructs.
Constructs are abstract ideas or theories that are created to explain or represent a concept being studied. They are often used in social sciences to understand and analyze complex phenomena that may not have a directly observable or measurable form.