Answer:
Operational definitions are ways to measure and define a construct.
Explanation:
Operational definitions define a measurement procedure for external measuring and observable behavior. The results can be used to define a construct.
Manners are commonly accepted social behavior. Manners tell you what is polite to do, and what is not. Mind you, what is considered manners in one country, may be rude in another. For example, it is rude in Japan to finish your meal completely, because your host may think that if you've eaten everything on your plate, you may still be hungry.
A wooly mammoth is a (now extinct) type of mammoth that was used for food, the hide was used to make clothes and shelters and the tusks could be as weapons. The tusks are so valuable now because it is extinct