Deep links refer to URLs that directly point to specific pages or content within a website or application, bypassing the homepage or main landing page. In the context of a directory script like phpld, deep links allow users to link directly to individual listings or entries within the directory, instead of just linking to the directory itself or its main categories.

phpLD 4.1 offers many different options to configure your link submission options. From multiple categories to google maps to deep links, phpLD is quite versatile. But for the newbie, it can involve some study to find out how to setup everything. Here is a youtube tutorial on link types in general.