Synonyms: addendum, postscript, supplement
Definition: textual matter that is added onto a publication; usually at the end
Similar words: matter
Definition: written works (especially in books or magazines)
Usage: he always took some reading matter with him on the plane
Synonyms: PS, postscript
Definition: a note appended to a letter after the signature
Similar words: annotation, notation, note
Definition: a comment or instruction (usually added)
Usage: his notes were appended at the end of the article; he added a short notation to the address on the envelope