Explanation:

- Joint Family: This is a larger family unit typically involving multiple generations living together, including parents, children, and often extended relatives.

- Supplemented Sub Nuclear: This refers to a family structure where a nuclear family is supplemented by additional members like relatives or even unrelated individuals who live with them.

- Sub Nuclear Family: This is identified as a fragment of a larger family, like a widow or widower living with unmarried children or siblings, who could be unmarried, widowed, separated, or divorced.

- Supplemented Nuclear: This involves a nuclear family living with additional members, such as extended family like grandparents or other relatives.