Letter
131letter of licence — UK US (UK (US letter of license) noun [C] ► LAW a written document by someone who is owed money in which they formally agree to allow more time for the debt to be paid back …
132letter of recommendation — UK US noun [C] (plural letters of recommendation) ► HR a letter describing someone s qualities and abilities, written by someone who worked with them previously, and sent to a possible new employer: »To apply, send a CV and two letters of… …
