JOB (Noun)
A job is a regular and official activity that you do, and receive money (a salary) for your activity. It is also called a profession or an occupation. You can have a full-time job (40 hours per week) or a part-time job (around 25 hours per week).
If you have a friend who’s looking for a job, you can ask them, “How’s the job hunt going?” The process of trying to get a specific job – when you see word work is more general than “job” – whereas “job” is a specific occupation/profession, “work” refers to general efforts and activities done to accomplish a goal. “Work” can be done both inside an official job and outside a job!