Which occurrence represents the destruction of a lifeline?

The option indicating a Lifeline Destruction Occurrence is the correct choice because it specifically represents the event in a sequence diagram where a lifeline is terminated or otherwise no longer active. In the context of UML (Unified Modeling Language), lifelines are utilized to represent actors or components that are involved in a specific process or interaction over time. A destruction occurrence signifies that the entity represented by the lifeline is no longer participating in the process, indicating that it has completed its role or has been removed from the scenario.

In sequence diagrams, lifeline destruction is typically depicted using an 'X' mark at the end of the lifeline, highlighting that the object represented has been destroyed or is no longer operational. This provides clarity in the diagram regarding the lifecycle of instances, particularly in object-oriented design, where understanding the lifespan of an object is crucial for accurate modeling of behaviors and interactions. The other options do not accurately represent the concept of a lifeline's destruction in this context.