This document provides an overview of learning and development topics. It includes sections on gateways into the learning and development field, measures of learning impact, a six stage training cycle model, re-engineering learning and development, causes of knowledge gaps, learning styles, training games, performance management, moving between roles, employee engagement, induction and onboarding, leadership development systems, skills gaps, learning and development roles, organizing the function, skills development for small organizations, practitioner tasks, effective online learning, best practices, and sales training.