16. The computer system of claim 14, wherein the source code file is written in a hierarchical scene description language, wherein the ordered arrangement defines a plurality of hierarchical levels, with each object definition arranged at one of the plurality of hierarchical levels.
14. A computer system configured to display a source code file to a user, the source file including an ordered arrangement of a plurality of object definitions that define a plurality of multimedia objects, the computer system comprising: (a) a computer display; and (b) a processor, coupled to the computer display, the processor configured to display at least a portion of the plurality of object definitions in first representations on the computer display; and in response to user input, to selectively display on the computer display, in place of the first representation of a selected object definition, an inlined multimedia representation of the selected object definition disposed at a relative location of the selected object definition in the ordered arrangement.