Exterior · definition
A vertical member (typically 6x6) carrying the deck beam down to the footing, secured top and bottom with rated connectors.
Source: Simpson Strong-Tie — Building Safer Decks: Footings, Posts and Post-to-Beam Connections
Where this term lands on a Columbus budget
The cost pages carry the current local ranges, and the guides explain what moves them. A published range becomes a project number only after someone looks at the site.