FIgure2-2:HypertextTransferProtocol(http) Interactions Http Request Message Asking for a File Browser Webserver Application。 Client Pc Webserver Http Response mEssage delivering the File or gIvIng an error message Semantics in Http Which governs the Web 2-52-5 Figure 2-2: Hypertext Transfer Protocol (HTTP) Interactions Client PC Webserver Browser Webserver Application 1. HTTP Request Message Asking for a File 2. HTTP Response Message delivering the File or giving an error message Semantics in HTTP, which governs the Web