The Commission shall be empowered to adopt delegated acts in accordance with Article 21c concerning the technical adaptations to be made to this Directive in the following areas:
(a) a more precise formulation of the definitions laid down in Article 2 in order to take account of developments in financial markets for the application of this Directive;
(b) the alignment of terminology and the framing of definitions in this Directive in accordance with subsequent Union acts on regulated entities and related matters;
(c) a more precise definition of the calculation methods set out in Annex I in order to take account of developments on financial markets and prudential techniques.
Those measures shall not include the subject matter of the power delegated to and conferred on the Commission with regard to the items listed in Article 21a.