Final answer:
The term that refers to workers' job activities - what workers actually do on the job - is job tasks.
Step-by-step explanation:
The term that refers to workers' job activities - what workers actually do on the job - is job tasks. Job tasks represent the specific activities and responsibilities that workers perform as part of their job role. These tasks can vary depending on the industry and job position. For example, construction workers may engage in tasks such as laying bricks or operating heavy machinery, while executives may focus on tasks such as strategic planning and decision-making.