Knobs, Latches, and Levers
Door Hardware Glossary of Terms - Homestead Hardware
Glossary of Hardware Terms
Door Handle Components - practical and expert guidance
Parts of a Wood Door, Complete Door Dictionary
Door Hardware Glossary of Terms - Homestead Hardware
Door Terminology Explained: Door Parts 101 - Window Works Co.
Types of Door Locks & Uses - Grainger KnowHow
Door Hardware 101: Types, Functions and Finishes