WHAT IS AN IDEA / IDEAL AND WHERE DO THEY COME FROM? Idea VS. Ideal

WHAT IS AN IDEA / IDEAL AND WHERE DO THEY COME FROM? 

Word Origin and History for idea  = 14c., "archetype of a thing in the mind of God; Platonic `idea,'" fromLatin idea "idea," and in Platonic philosophy "archetype," from Greek idea"ideal prototype," literally "the look of a thing (as opposed to the reality);form; kind, sort, nature," from idein "to see," from PIE *wid-es-ya-, suffixed form of root *weid- "to see" (see vision). Sense of "result ofthinking" first recorded 1640s.

Word Origin and History for ideal early 15c., "pertaining to an archetype or model," from Late Latin idealis"existing in idea," from Latin idea in the Platonic sense (see idea ). Senseof "perfect" first recorded 1610s.

AN IDEAL STOPS OR PREVENTS THE DIRECT ACTION UPON AN IDEA!!!!!!!!!!!!!!!!!!!!!