Complex sentence: A technical writer (also called a technical communicator) is a professional writer who designs, writes, creates, maintains, and updates technical documentation--including online help, user guides, white papers, design specifications, system manuals, and other documents.
Split into simpler sentences: A technical writer (also called a technical communicator) is a professional writer who designs, writes, creates, maintains, and updates technical documentation. This documentation includes online help, user guides, white papers, design specifications, system manuals, and other documents.