The repeated exposure, over decades, to most taxa here treated has resulted in repeated modifications of both diagnoses and discussions, as initial ideas of the various taxa underwent—often repeated—conceptual modification.
Conceptual means related to ideas and concepts formed in the mind. replacing old laws with new within the same conceptual framework. + conceptually con·cep·tu·al·ly The monograph is conceptually confused, unclear in its structure and weak in its methodology. dealing with ideas, or based on them
being or characterized by concepts or their formation; "conceptual discussions"; "the schizophrenic loses ability to abstract or do conceptual thinking"
Artwork based on an idea An art movement in which the idea is more important than the two- or three-dimensional surface
Able to conceive thoughts and ideas - to generalise abstract ideas from specific instances
involving abstract or generalised ideas, expressed in a general form or notation