The different tasks of all team members in a project contribute to achieve the common project goal. From the project manager's perspective, tasks are the smallest work units in a project. Tasks have a clear start and end date by which they have to be finished. The word “task” is often used synonymously with work package. Depending on the size of the project, monitoring the execution of tasks is the responsibility of the project manager, team leader or work package manager. The team members have committed themselves to perform tasks related to the project management or the project task or project objective to the best of their ability in coordination with the project manager and report continuously to them on the progress of the work.