What is the writing that communicates specific information about a particular subject craft or occupation?

The writing that communicates specific information about a particular subject, craft, or occupation is often referred to as technical writing. This type of writing is designed to convey complex information in a clear and concise manner, often including manuals, guides, and instructional materials. Its primary goal is to inform or educate the reader about specific processes, tools, or practices related to the subject at hand.