The Vietnamese word "phụ đính" can be understood as "insert" or "addendum." It is mostly used in formal contexts, particularly in writing or documentation.
"Phụ đính" refers to something that is added to a main document or text to provide additional information, clarification, or details. It's not a commonly used term in everyday conversation, but it is important in academic, legal, or professional writing.
While "phụ đính" primarily means "insert" in a formal context, it could also imply additional information provided to enhance understanding of the main content.