Other members have an additional part to their title which should also be used to Dear Lord Speaker; End of email/letter Yours sincerely; Envelope. Your resume may spell out your skills, but it's your cover letter that gives you the opportunity to convince a potential employer that you would. Complimentary close. Occasionally just "close" or the bureaucratic solecism "complimentary closing". (The stock use of "sincerely" as the.