This document defines tasks, skills, and multi-skilling. It explains that a task is a piece of work assigned to a person, while a skill is the ability to perform something well through knowledge and practice. Multi-skilling involves training employees in more than one skill, which can be either related or across different functions. The document outlines categories of multi-skilling and key elements of a multi-skills training program, and discusses benefits like reduced job insecurity and better career prospects for employees, as well as increased flexibility and quality for organizations. It also notes potential disadvantages like lower productivity during training.