Employment: A job or position of work.

Effort: Physical or mental exertion in tasks.

Labor force: Group engaged in productive activities.

Work process: The series of actions to complete a task.

Craftsmanship: Skill and artistry involved in creating something.

I work (perform tasks or duties).

I labor (engage in physical effort).

I operate (manage machinery or systems).

I function (act effectively in a role).

I strive (put forth effort towards goals).

I toil (work hard, often with difficulty).

I serve  (assist others as part of my job).