definiens: in the phrase means the degree to which a subject or other thingextends, and such phrase does not mean simply ; ( k ) all terms defined in this Supply Agreement shall have the defined meanings when used in anycertificate or other document made or delivered pursuant hereto, unless otherwise defined in suchcertificate or other document, and all definitions contained herein apply both to the singular and pluralforms of such terms ; ( l ) any reference to writing shall include any modes of reproducing words in a legible and non - transitoryform ( excluding short - message - service ( SMS ), e - mail and other electronic communications, save thate - mail may be used as a means of delivering written notice for the purposes of Clause 21 ( forexample, where a PDF copy of a written notice is sent as an attachment to an e - mail ) ) and asprovided in Clause 21.2 ; and ( m ) reference to any date or time is a reference to such date or time in New York, New York