Final answer:
Functional Analysis, or functionalism, focuses on understanding how social structures within a society serve specific functions that contribute to the stability and functioning of society as a whole.
Step-by-step explanation:
The focus of Functional Analysis (which includes functionalism and structural functionalism) is b) The study of social structures and their functions. This sociological perspective views society as a system with interrelated parts, each serving a specific function necessary for the overall stability and functioning of society. Functionalism is interested in how social institutions such as government, education, family, and religion work together to meet both social and biological needs of individuals within a society. Theoretical frameworks like functionalism provide insights into how societal balance is maintained and serve to explain the roles and functions of social structures.