Acceptances, acknowledgements, advice, apologies, announcements, applications, appreciation, approvals, authorisations, cancellations, claims, collections, compliments, condolences, confirmations, congratulations, credit, delegation, directives, disagreements, discipline, dismissals, endorsements, errors, farewells, follow-up, fundraising, get-well, gifts, goodwill, government, holidays, inquiries, inform/notify, introduction, invitations, job offers, notification, orders, persuasion, recommendations, references, referrals, refusals, reprimands, response letters, reservation, requests, responses, sales, social events, suggestions, sympathy, thank you, transmittals, welcome, etc.