used to refer to cited works
"The author referenced several of my earlier studies throughout the discussion on renewable energy policies."
Completely through, right the way through.
"The rain lashed against the window throughout the entire night without stopping."
In plain English: Throughout means from the beginning all the way to the end without stopping.
"People cheered throughout the game."
Usage: Use throughout to indicate that something happens or exists in every part of an area from beginning to end. It is often interchangeable with all over when describing coverage within a specific space or time period.
In every part of; all through.
"The new scent filled the room throughout, making everyone notice it immediately."
The word throughout comes from Old English by combining þurh (through) and ūt (out). It originally meant "from one end to the other" before evolving into its current sense of being present everywhere within a space or time.