Case C-126/17: Order of the Court (Seventh Chamber) of 22 February 2018 (request for a preliminary ruling from the Fővárosi Törvényszék — Hungary) — ERSTE Bank Hungary Zrt v Orsolya Czakó (Reference for a preliminary ruling — Article 99 of the Rules of Procedure of the Court of Justice — Consumer protection — Directive 93/13/EEC — Unfair terms in consumer contracts — Articles 4(2), 5 and 6(1) — Terms defining the main subject matter of the contract — Loan agreement denominated in a foreign currency — Scope of the term ‘drafted in plain, intelligible language’ — Partial or total invalidity of the contract)