Thank you, guys ! This is exactly the definition I wanted to know.
cheerio!
Steven

Assumption:
I'm downloading a torrent that leads to a huge number of downloadable files (let's say 10 GB).
However, I'am attracted only by one single file and will download only this one (let's say 120 MB).
How will my download account be affected: with 10 GB or with 120 MB ?

Thanks for your answer.
Steven