URLs, or Uniform Resource Locators, serve as web addresses. They come in various types, each with distinct purposes. First, there are HTTP/HTTPS URLs, commonly used for websites like "http://www.example.com". Then, FTP URLs facilitate file transfers, such as "ftp://ftp.example.com". Additionally, mailto URLs initiate email messages, as in "mailto:[email protected]". File URLs point https://remote.sdc.gov.on.ca/_layouts/15/Gov.ON.LTC.SSE.Extranet.Authentication/forgotpassword.aspx?ci=en-US&sb=https%3A%2F%2Fcomputerkrayzee.co.uk/business-cards-design-london.php