It indicates that something happens or comes later than something else.
Here are some examples:
* Afternoon: The time period after noon.
* Aftermath: The consequences or results of an event.
* Afterthought: A thought that comes to mind after something else has been considered.
* Afterglow: The warm, pleasant feeling that remains after something enjoyable.
* Afterlife: The time or state that is believed to come after death.
Let me know if you'd like more examples or have any other questions!