Paradigm in multimedia services creation methodology, and new service creation and service execution environments

A service creation system for creating multimedia services, comprising:

• a computer;
• a service creation environment provided via a graphical user interface of the computer for creating a service logic script by assembling a first language graphical block and a second language graphical block selected from a plurality of language graphical blocks, the service creation environment comprising the computer configured to provide a graphical editor providing the plurality of language graphical blocks having a varying shape, wherein the plurality of language graphical blocks represent event driven actions that occur in the network and are hidden from a user, the plurality of language graphical blocks including the first language graphical block comprising at least a notch having a first width and the second language graphical block comprising a bulge having a second width, the notch and bulge arranged so as to enable the first language graphical block and the second language graphical block to interlock such that the bulge fits into the notch to enforce connectivity rules;
• a service execution environment for executing the service logic script;
• and
• application programming interfaces between the service creation environment and the service execution environment.