概念:a general inclusive concept. the representation of what is perceived; basic component in the formation of a concept
观念:an abstract or general idea inferred or derived from specific instances
理念:
(1)主意、念头、思想、计划、打算、意见(A picture in the mind);
(2)想象,模糊想法(a guess, feeling of probability);
(3)理念,理性概念(a philosophical use, means a perfect and eternal archetype of which reality is an imperfect copy.);
(4)理解(understanding)。