is a specific kind of: creating by mental acts.

is a broader term that covers: approach, attack, plan of attack | framing.

derivation: develop, explicate, formulate | articulate, formulate, give voice, phrase, word | contrive, devise, excogitate, forge, formulate, invent | conceive, conceptualise, conceptualize, gestate.

is a specific kind of: concept, conception, construct.

is a broader term that covers: perception.

derivation: conceive, conceptualise, conceptualize, gestate | conceptual.