What is an event? Generally speaking, an event is an occurrence that brings
about significant change in the state of an object from a certain point of
view. For example, the "sunrise" is an event that is defined from the
perspective of an earthling. Yet from the perspective of an alien, Earth's
sunrise is not a sunrise at all, but merely a lonely planet's celestial
rotation. On a simple scale, we can view the change of time as an event in
itself. Consider a sun dial's interpretation of time. While a sun dial
doesn't move, the forces of time act upon the object, thus causing an event.
The former describes simple events, or a singular event defined from the
perspective of its onlooker, whereas complex events are the product of an
onlooker's interpretation of a series of events. The same event can be
defined as either "complex" or "simple" depending on its context. For ... (more)