Complementation and Postscript

noun

• The grammatical relation of a word or phrase to a predicate.
• Linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts. (.
  • synonyms: complementary distribution

noun

• A note appended to a letter after the signature.
  • synonyms: PS
• Textual matter that is added onto a publication; usually at the end.
  • synonyms: addendum, supplement

(n.) A paragraph added to a letter after it is concluded and signed by the writer; an addition made to a book or composition after the main body of the work has been finished, containing something omitted or something new occurring to the writer.