Final answer:
Work packages represent the smallest, measurable units of work in a project that can be assigned to a single person or team.
Step-by-step explanation:
Work packages represent the smallest, measurable units of work in a project that can be assigned to a single person or team. They are the building blocks of a work breakdown structure (WBS), which is a hierarchical decomposition of a project into smaller, manageable components. Each work package includes specific deliverables, timelines, resources, and costs. For example, if Alex's project is to design a website, some work packages might include creating wireframes, designing the homepage, coding the website, and testing for bugs.