This document defines and provides examples for various technology and general idioms and expressions including: - Silver surfer - an elderly internet user - On the same wavelength - thinking in agreement - Cog in the machine - one small part of a large system - Light years ahead - far more advanced than others - Cutting edge - at the forefront of technological progress - Well-oiled machine - something that functions very efficiently - Have something down to a science - able to manage something very well with expertise