What is the meaning of Timeline?

A graphical representation of a chronological sequence of events (past or future); a chronology.

A schedule of activities; a timetable.

An individual universe or reality, especially a parallel/alternate one in which events differ from actual history, or differ from the established canon of a fictional world.

To analyse a sequence of events or activities.

To display such a sequence graphically.

timeline

Source: wiktionary.org