Simplify the following text for a Grade 10 native English-speaking person.
Original: His term is derived from the Greek term '' á 1\/4 Î Ï Î Ï Ï Î Î '' meaning `` rule by priests '' ( from '' á 1\/4 Î Ï Î Ï Ï Î Ï '' â `` ierarches , meaning `` president of sacred rites , high-priest '' and that from '' á 1\/4 Î Ï Î Ï Ï '' â `` iereus , `` priest '' + '' á 1\/4 Ï Ï Î '' â `` arche , amongst others `` first place or power , rule '' ) , and Dionysius is credited with first use of it as an abstract noun .
Simplified: A hierarchy ( in Greek : Î Î Ï Î Ï Ï Î Î ; this comes from Î Î Ï Ï Ï - hieros , sacred , and Î Ï Ï Ï - arkho , rule ) is a way of ranking and organizing things or people .