Definitions should include

work—the physical or mental effort spent to overcome obstacles or achieve a desired objective
job—a situation in which a person performs particular tasks, duties, or responsibilities for compensation (e.g., money)
occupation—employment that requires related skills and experiences
career—a profession or occupation pursued by a person over a long period of time, made up of jobs held, titles earned, and work accomplished
profession—paid occupation that often includes long-term training or education.

Process/Skill Questions:

How can a job lead to a career?
What is the difference between work and a job?
How can work provide personal satisfaction?
How is a career different from a job?
What are some benefits of choosing a career that you enjoy?
How can work and job experiences assist an individual in choosing a desired career path?