Gear Terminology:
[ Number of teeth / Face of tooth / Flank of tooth / Profile / Fillet radius / Face width / Top land / Bottom land / Outside Circle / Outside Diameter (major diameter) / Root Circle / Root Diameter (RD) / Pitch circle / Pitch Diameter (D) / Diametral pitch (Pd) / Module (m) / Center Distance (C) / Base circle / Pitch Point / Line of Action (Pressure Line) / Pressure Angle / Circular pitch (p) / Tooth thickness / Tooth Space / Addendum/ Dedendum / Total Depth / Clearance / Working Depth / Backlash ]