Optimize page: content/english/net/basic-comparison/compare-documents-groupdocs-comparison-net/_index.md - - Updated title, description, and front‑matter date; added keyword list.

- Integrated primary keyword “compare multiple word documents” and secondary keyword “highlight differences in word” throughout the text and headings.
- Added a Quick Answers section for AI‑friendly summarization.
- Inserted question‑based headings and expanded explanations for better human engagement.
- Enhanced the FAQ with additional relevant questions and concise answers.
- Added trust‑signal block (last updated, tested version, author) at the end of the article.

Author: adil-aspose