PSS or Postscript is a term used in computing to refer to text added after the main body of a document. Some people might use synonyms like additional information, follow-up, afterthought, or supplementary text to convey the same meaning. The word appendix could also be used for material added at the end of a book or article. Other synonymous terms include addendum, codicil, annex, rider, coda, and attachment. These words help convey the idea that something is being added to the original information. The use of synonyms can often help to make a point or idea clear and understandable, no matter the context or audience.