A number of changes were requested in BaBar's computing model 2 plans over the past year, and one of those changes was for a new meta-data catalog to go along with the new event store. The catalog needed to be flexible to handle all BaBar data, distributed to all BaBar sites, and fast access in user interaction. In the development of this catalog ideas about what is experimental data were discussed, and some new concepts were introduced as part of the system. Once the catalog was implemented new method were developed to support the requirements. The requirements, concepts and developed methods are discussed in the paper, along with comments on how the system has worked in production.