Timelines Timelines display a linear calendar of tasks, such as incidents and change requests, defined by their start and end dates. A span represents each task on the timeline, which is displayed as a horizontal bar and may have distinctive color coding. Each span has a label and can have tooltip text containing additional information about the task. You can also change the perspective of the calendar for a more granular view of the data. Changes in perspectiveUse the range selectors at the top of the timeline to change the perspective.Managing spansYou can view span details, focus and zoom spans, and edit spans.