Revit includes many system families and project and system settings.
Project/System Settings:
- Area and Volume Calculations
- Arrowheads
- Color Fill Schemes
- Detail Level
- Dimensions
- Drawing Sheets
- Elevations
- Filled Regions/Fill Patterns
- Filters
- Grids
- Keynoting
- Levels
- Lines
- Load Types
- Match Lines
- Materials
- Model Text
- Object Styles
- Phases
- Project Browser Organization
- Project Units
- Sections
- Site Settings
- Spot Dimensions
- Snaps
- Structural Settings
- Sun and Shadow
- Temporary Dimensions
- Text
- Viewports
- View Tags (Callout, Elevation, and Section Tags)
- View Templates