Base Infrastructure Schema > intro Edit this page BIS Modeling with BIS BIS Organization Fabric of the Universe Element Fundamentals Codes ElementAspect Fundamentals Mixins Model Fundamentals Relationship Fundamentals Schemas (“Domains”) Information Hierarchy 3D Guidance Physical Models and Elements Functional Models and Elements Analysis Models and Elements Information Models and Elements PhysicalModel Hierarchy Categories Schema Customization Data Evolution Across Time Schema Versioning BIS Glossary Last Updated: 13 June, 2024