noun (n)

• a note appended to a letter after the signature

  catatan appended to surat setelah tanda tangan

  Synonym:
  ps
  

  source: wordnet30
• textual matter that is added onto a publication; usually at the end

  masalah itu menambah teks ke sebuah penerbitan; biasanya di akhir

  Synonym:
  addendum, supplement
  

  source: wordnet30
• 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.

  perenggan ditambah kepada surat setelah selesai dan ditandatangani oleh penulis; tambahan dibuat pada buku atau komposisi setelah utama badan pekerjaan telah selesai, mengandungi omitted sesuatu, atau sesuatu yang baru terjadi pada penulis.

  source: webster1913