Definition of concept noun from the Oxford Advanced American Dictionary

Oxford3000 Academic

concept

noun
/ˈkɑnsɛpt/
 
 
an idea or a principle that is connected with something abstract
concept (of something)the concept of social classconcepts such as “civilization” and “government”He can't grasp the basic concepts of mathematics. concept (that…)the concept that everyone should have equality of opportunitya new concept in teaching