concept@@1	concept	idea	42
concept@@1	concept	notion	19
concept@@1	concept	view	13
concept@@1	concept	theory	10
concept@@1	concept	thought	8
concept@@1	concept	principle	7
concept@@1	concept	hypothesis	6
concept@@1	concept	abstract idea	5
concept@@1	concept	conception	5
concept@@1	concept	approach	4
concept@@1	concept	belief	4
concept@@1	concept	model	4