19. URL O Stands for "Upload Resolution Limiter." A software solution which controls the file size of images when they are uploaded into a web site. O Stands for "Undergraduate Reference Librarian." This is the person in the library who assists students with using reference materials. O Stands for "Uniform Resource Locator." It is the address of a specific Web site or file on the Internet. A URL cannot have spaces or certain other characters and uses forward slashes to denote different directories. O Stands for "Ubiquitous Re-Locator." It is the process whereby Internet users are forwarded to the correct web site