Which of the following is correct in relation to a Task in UML?

A Task in UML (Unified Modeling Language) is represented by a round-cornered rectangle, which visually distinguishes it from other elements in a process diagram. This representation is important because it clearly communicates that a task is a fundamental building block of a process, depicting an activity or action that is performed.

Labeling the Task with a verb/noun phrase is crucial in conveying the specific action to be executed, which enhances clarity and understanding for stakeholders involved in the modeling process. This combination of visual representation and labeling effectively communicates the nature of the task within the overall business process.

In contrast, the other options do not align with the definition and representation of a Task in UML. For instance, a triggering event is characterized by specific symbols or elements that initiate a process, while an initial node serves as the starting point of a diagram rather than representing a task itself. Tasks can occur individually or in multiple instances within a process, but the correct representation and naming are what define them in this context.