In the document, a definition of technical writing is presented, where it is used to inform and guide a specific audience through maximum clarity and accuracy to achieve a specific goal.Various examples of technical writing are provided, such as laboratory reports, manuals, models, contracts, manuals, training materials, guidance, progressive reports, etc.Technical writing is also addressed in the business context, as it includes various business correspondence such as resumes, cover letters, transmission letters, writing related to customer relations and administrative communications.Technical reports include progressive reports, feasibility studies, specifications, proposals, recipes, guides, procedures and more.The document also deals with business communication, where various forms of business correspondence such as resumes, cover letters, dispatch letters, and writing related to customer relations and administrative communications are included.Scientific writing, which includes experimental research and documents associated with this work, is also discussed, as well as scientific publications that arise from this work.Technical writing refers to easy access to information, where titles and sub-elements must be clearly identified to access specific information without having to interpret meaning.The classification of technical writing is reviewed, where the focus is on educational orientation, theoretical orientation and professional orientation.Technical reports are particularly addressed, as they prepare documents for supervisors, counterparts, customers, and government agencies.Scientific writing includes experimental research and scientific publications related to this work, as well as scientific research in the medical field.