1. A process to devise an abridged form of any term that is used in at least one alarm message displayed on at least one screen of the cockpit of an aircraft, the process comprising: preparing a first presentation of preestablished abbreviations to an operator; receiving a first identification of the preestablished abbreviations understood by the operator; retaining the identified preestablished abbreviations as abridged forms of corresponding terms; and implementing, for each of said terms corresponding to the preestablished abbreviations which are not identified as having been understood by the operator, steps a) through d): a) subjecting, by a processor, said term to a set of predetermined construction rules in such a way as to form a plurality of different abbreviations of said term, wherein said set of construction rules comprises all the following rules: addition of a morphological mark; deletion of the vowels; truncation; retention of the syllables; retention of the initial letter of each syllable; and deletion of the double consonants; b) preparing a second presentation of the abbreviations formed in step a) for automatic presentation to the operator; and c) receiving a second identification of the abbreviations understood by the operator and if several abbreviations are understood by the operator the abbreviation that the operator understood quickest; and d) automatically selecting, on the basis of the second identification, the abridged form for said term, wherein this abridged form is: if just one of said abbreviations is understood by the operator, this abbreviation; if none of said abbreviations is understood by the operator, said term in full; and if several of said abbreviations are understood by the operator, that which the operator understood quickest.