What best describes a keyword domain name?

A keyword domain name is best described as a combination of words used in search engines. This type of domain name typically includes specific keywords that potential visitors might use to search for related content or services. By incorporating relevant keywords related to the website's purpose or content, it can enhance the site's visibility in search engine results, making it easier for users to find the website. This is an important aspect of search engine optimization (SEO), as a well-chosen keyword domain can help attract more organic traffic.

The other choices do not encapsulate the concept of a keyword domain name effectively. For instance, a unique logo pertains to branding rather than domain naming, while a web design element refers to the aesthetics or functionality of a webpage, not its address. An online booking system for travel describes a specific function or service rather than the characteristics of a domain name itself.