> For the complete documentation index, see [llms.txt](https://fredhopper.gitbook.io/product-discovery/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fredhopper.gitbook.io/product-discovery/tracking-and-sending-events/acronyms-and-abbreviations.md).

# Acronyms and Abbreviations

* **FHR**: Fredhopper
* **GTM**: Google Tag Manager
* **PDP:** The product detail page is the page on the website that provides all the detailed information about one specific product.
* **PLP**: The product listing page, commonly known as a category page, is the page on the website that returns a list of products when a shopper navigates within the websites category structure.
* **SDK**: Software Development Kit
* **SLP**: The search listing page is the page on the website that returns a list of products when a shopper completes a search.