15. A system for building and viewing an interactive multimedia document at a computer, the document to support a legal conclusion, the system comprising: a text document describing a legal argument including one or more logical steps supporting the legal conclusion; one or more multimedia files, each including a plurality of sections, wherein one or more of the plurality of sections relevant to a logical step and can be used to support the logical step; the computer including: a processor for executing computer readable instructions; and a memory for storing processor-executable computer readable instructions comprising: a builder module to insert one or more references for one or more of the plurality of relevant sections in a specific portion of the text document, each specific portion including a logical step supported by a relevant section, wherein each of the references includes one or more metadata tags describing a location and a visual format of a relevant section of the multimedia file; and a presenter module to interpret each of the one or more references upon activation including visually formatting and displaying one or more relevant sections of the multimedia file according to the one or more metadata tags, the presenter module displaying the relevant section in visual proximity to the logical step of the specific text portion over the interactive multimedia document.
17. The system of claim 15 , wherein the interactive multimedia document includes only one copy of each of the one or more multimedia files.