The Baseline Description Document provides identification of the approved documents which define an item's Functional, Allocated, and/or Product Baselines as defined by MIL-STD-3046. The baseline documents will define the item's functional and physical characteristics in the form of specifications, drawings, model based definition, associated lists, interface control documents, and documents referenced therein. The principal use of this identification is to form the basis for configuration control of designated Configuration Items (CIs).