What does REFERENCE mean?

I read it everywhere - my reference system, reference levels, reference material. What is that?

michaelkingdom09-08-2013 12:37pm

jafant Details Discussions Posts This discussion Message User 18,774 posts 09-09-2013 at 11:08am Copy Comment URL Report Comment Edit Delete Michael - the term reference means a product that exceeds any previous standard w/in the same catagory.
jafant Details Discussions Posts This discussion Message User 18,774 posts 09-09-2013 at 05:50pm Copy Comment URL Report Comment Edit Delete Right On! Nonoise.