What are the words or phrases a user types into a search box referred to as? Select one option.

Explanation: The correct answer is **A query**. In the context of search advertising, a query refers to the words or phrases that a user types into a search engine's search box when looking for information, products, or services. Understanding user queries is fundamental to the success of search advertising campaigns as they determine when and where ads are displayed. By targeting specific keywords or phrases relevant to their business, advertisers can ensure that their ads are shown to users whose queries match their targeting criteria. Analyzing user queries also provides valuable insights into user intent, enabling advertisers to refine their keyword targeting strategies and create more relevant ad content. Therefore, in the realm of search advertising, the term "query" specifically refers to the input provided by users when conducting a search, making it the correct answer in this context.