I am sharing here a link to a glossary. Don't feel offended that it is called for Seniors or Dummies. It is a kind of "hep" language to describe those of us who are keen on learning new stuff despite our not REALLY needing to do so...
So we are a privileged lot who use computers just for pleasure!
'By the way, Dummies series of books is the MOST POPULAR of all easy how-to books in the world. Just google "For Dummies" and you will get a ton of information.
So click here and learn the terms used in computers!
Computers For Seniors Glossary: A - For Dummies