What is another word for side-note?
Pronunciation: [sˈa͡ɪdnˈə͡ʊt] (IPA) 
Side-note is associated with a message or information which is having a less amount of importance or which can be easily avoided without affecting the content. However, there are some synonyms for the word 'side-note' which can be used interchangeably - aside, addendum, afterthought, postscript, footnote, marginalia, annotation, commentary, digression, tangent. Aside is the most common synonym for side-note which is used in a sentence to refer to the information mentioned aside from the actual context. Addendum is another option which is used to refer to the update or addition of the content. These synonyms allow a writer to seamlessly incorporate additional information into their writing without detracting from the main point of the piece.
