For the purposes of this Directive, the following definitions shall apply:

(1) "distribution channels" means distribution channels within the meaning of Article 1(7) of Commission Directive 2003/125/EC;

(2) "durable medium" means any instrument which enables a client to store information addressed personally to that client in a way accessible for future reference for a period of time adequate for the purposes of the information and which allows the unchanged reproduction of the information stored;