Different between carrier field and occupation​

An occupation is a type of job with the same job duties. People who work in an occupation do similar tasks and need similar training. Example: physicians, teachers, or scientists. A career is a journey that lasts your whole life.

Explanation:

Theme is the lesson or the moral of the story.  For example, one could say that the theme from Finding Nemo is, "Through thick and thin, family will stop at nothing to find and protect you."  This can be seen through all of the obstacles the father has to go through in order to save his son.  He would stop at nothing to find Nemo.  What is the lesson or moral of The Red Bow?  What is it about the wife that helps to develop the theme you determined?  Is she nice? Insincere? Loving? Does she do something shady?  Is she a family person?