This book provides a compilation of scholarly chapters that focus on the various components of technical and professional communication (TPC) that, together, give it a distinct identity, and that must be sustainable. Reflection and upkeep of TPC components maintain the longevity of its identity. By critically analyzing what these fragments signify collectively as an identity, it is possible to develop a perspective that is durable for visualizing the TPC identity. Some of the TPC components included in this work are genres, ethics, procedural knowledge, procedural discourse, sociotechnical contexts, applied rhetoric, and participatory action research. The book’s 10 chapters are divided into three sections, each of which is underpinned by a strong research technique, strong theoretical foundation, and the authors’ real-world experiences. This book may be helpful to academics, industry professionals, and students alike. It provides professionals with a novel viewpoint on several TPC facets across various application fields, such as biomedical writing. This book offers a deep understanding of TPC and focuses on several intriguing subjects, such as intercultural and transnational dimensions, and accessibility and disability. One of the strengths of the book is the abundance of real-world examples and research studies with trustworthy research protocols spread throughout several chapters. This book is undoubtedly a great resource for learning about the subject, its trends, and new problems that may arise in the future.