Use the Auto Room Dimensions tool to create dimensions following different defaults for different plan views.
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Dimensions
5488 - Dimensioning Basics
5426 - Creating Automatic Exterior Dimensions
506 - Dimensioning Kitchens, Baths, & Other Rooms Using Auto Room Dimensions
5430 - Using the Manual Dimension Tools
274 - Creating Dimensions in 3D
5429 - Positioning and Resizing Objects Using Dimensions
5432 - Editing Dimensions and Extension Lines
128 - Dimensioning Wall Elevations
127 - Dimensioning Cross Sections & Elevations
1595 - Dimensioning Cabinet Face Items and Openings
92 - Using The Automatic Interior and Automatic NKBA Dimension Tools in X13 and Prior