| referring ip | an IP address which hosts one or more websites that contain links pointing to a given URL or domain. |
| display url | A display URL is a URL that accompanies a displayed ad. For Google Adwords, the limit of characters allowed for a display URL is 35. |
| clustering | the organising of search results when multiple listings appear for one website. Clustering also refers to the way search engines group different authorities on a certain topic together, showing their relationship. |
| google universal search | Google Universal Search is a type of search in which results from multiple specialized areas are displayed in the web search listing. For example, results from Google News, YouTube or Google Images will be listed in the main Google results web page. |
| top-of-mind awareness | Top-of-mind awareness is the ease with which a prospect or customer remembers a brand, product or service. For example, consumers might think of Samsung or Apple when the mobile phone industry is mentioned. Or when search engines are mentioned, a consumer might first think of Google. |
