To focus on a derived, subjective concept offers much scope for research.

It combines two concepts, one of function, and one of size, and may include an element of a third more subjective concept.

The effect was more consistent than the effect of social relationships with family and friends, and the subjective concept of religiosity had no significant effect on loneliness.

His rehearsals are performances in themselves in which his analogies and word pictures turn subjective concepts into definable sounds that can immediately be grasped by the singers he conducts.