| keyword overview | The main keyword analytics report for a word or phrase that is queried in the SEMrush search bar. |
| historical data | The data that allows you to perform research on keywords and domains from previous months. Domain Analytics and Keyword Analytics historical data goes back to January 2012. PLA historical data goes back to September 2013. Traffic Analytics historical data goes back to April 2016. |
| organic backlink | Naturally acquired backlinks that are placed within the body of content. |
| null relevance | Noun phrase. The complete lack of internal or external factors that create a positive relevance score for a document in a search result in which the document is listed. |
| organic search | The natural, or unpaid, listings that appear on a SERP. Organic search results, which are analyzed and ranked by algorithms, are designed to give users the most relevant result based on their query. |