`  ::::4. Remove ``Type X`` naming. Is not mainstream, and not needed because the description ``group 3 = ...`` already says it, and more directly at that. The description (definition) is required anyway.  ::::5. Remove all historical/indecisive/ambiguous/relative graph definitions like long form, standard form, medium-long form, etc. Sources are inconsistent between them, relative naming adds complexity in understanding, it is loaded with historical changes. In short: there is no ``standard form``. -   `