The animation depicts how a SOAP messages travels over network protocols, such as SMTP/HTTP/HTTPS/FTP.

In the animation, a system labeled Application 1 is connected with an arrow to another system labeled Application 2. Along the connecting arrow is a block that has SMTP/HTTP/HTTPS/FTP written in it. Another block that has SMTP/HTTP/HTTPS/FTP written in it is placed over the Transport Protocols block. An envelope moves along the SOAP block from Application 1 to the Application 2 system.