> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt ## Resource: $w ## Namespace: wix-comments ## Article: Introduction ## Article Link: https://dev.wix.com/docs/velo/velo-only-apis/$w/wix-comments/introduction.md ## Article Content: # Introduction The [`WixComments`](https://support.wix.com/en/article/wix-comments-an-overview) element is a customizable widget that allows site visitors to leave feedback in comment threads. A comment thread is a collection of comments and replies that form a heirarchical structure. When a new `WixComments` element is dropped onto the page, its comments are associated with that page by default.