This document provides an overview of the key concepts and stages related to the nature, purpose, and development of writing. It begins with definitions of writing and discusses the main purposes and types of writing. It then explains the prerequisites or background knowledge needed for writing, including subject matter, purpose, audience awareness, and language skills. The document also outlines the main developmental stages of writing, including writing readiness, early writing, and developmental writing. It provides details on concepts like spelling, grammar, and sentence construction within these stages. The overall document serves as an introduction to teaching writing skills in the primary ESL classroom.