The document discusses technical communication and technical writing. It provides an introduction to technical communication, noting that it involves writing, speaking, and visuals to convey information to various audiences. It also discusses the importance of good communication skills for engineering careers. The document outlines different types of technical communication, including letters, memos, documents, and oral presentations. It describes characteristics of technical communication, such as being audience-driven, using visual elements, having time constraints, and being direct and structured.