> For the complete documentation index, see [llms.txt](https://help.visibrain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents.md).

# Useful documents

- [Scope of coverage](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/scope-of-coverage.md)
- [List of operators to create a topic](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-create-a-topic.md)
- [X (formerly Twitter)](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-create-a-topic/x-formerly-twitter.md): Here are the useful operators to create a X Topic.
- [Facebook, Instagram, Youtube, TikTok, Threads, Telegram, Bluesky](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-create-a-topic/facebook-instagram-youtube-tiktok-threads-telegram-bluesky.md): Here are the operators available to create a Topic on Facebook, Instagram, YouTube, Threads, Telegram, Bluesky and TikTok.
- [LinkedIn](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-create-a-topic/linkedin.md): Here are the operators available to create a Topic on LinkedIn.
- [List of operators to add filters](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters.md)
- [X (formerly Twitter)](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/x-formerly-twitter.md)
- [Facebook](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/facebook.md)
- [Instagram](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/instagram.md)
- [YouTube](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/youtube.md)
- [TikTok](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/tiktok.md)
- [LinkedIn](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/linkedin.md)
- [Threads](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/threads.md)
- [Telegram](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/telegram.md)
- [Bluesky](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/bluesky.md)
- [News](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-operators-to-add-filters/news.md)
- [Quicktrends operator list](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/quicktrends-operator-list.md)
- [List of languages](https://help.visibrain.com/~/revisions/Sg0jEnRI9hg61KE4OFRP/useful-documents/list-of-languages.md)