I do agree with this too. For some time, I've been identifying representations (and other concepts) as motifs: relatively vague, open-ended notions that accommodate open-ended families of explanations.
E.g.: doi.org/10.1111/ejn....
doi.org
Vicente Raja; but I want to be Luffy. Ramón y Cajal Research Fellow at the University of Murcia (Spain). Associate Faculty at the Rotman Institute of Philosophy (Canada).