postscript
/ˈpɒskrɪpt/; /ˈpɒskrɪpt/; /poʊˈskrɪpt/Definitions
1. noun
a supplementary or additional note attached to a letter, document, or other item, often added after the main text has been written or printed
“She included a postscript at the end of her letter to wish me happy birthday.”
2. verb
to add a supplementary note or remark, especially one that is not essential to the main text
“He postscripted a note at the end of the report to clarify the data.”
3. noun
the part of a program or document that is used to add supplementary information
“The postscript of the program allowed users to add custom notes to their files.”
4. adjective
relating to or resembling a postscript
“The postscript font was used for the author’s signature.”