Product manuals: A product manual explains the parts of a product, where you can find each part, and what each part is used for.

User guides: A user guide explains how to use a product, step-by-step instructions, troubleshooting, and frequently asked questions.

Repair manuals: A repair manual explains how to fix or troubleshoot issues with a product, including detailed instructions and diagrams.

API documentation: API documentation explains how to use a software application programming interface (API), including details on its functionalities, inputs, and outputs.

SDK documentation: SDK documentation is similar to API documentation, but it provides more detailed information on how to use a software development kit (SDK).

Step-by-step guides: A step-by-step guide provides instructions for completing a specific task or process, often with accompanying screenshots or diagrams.

Specifications: Specifications provide detailed information about a product's design, features, and requirements, often used in engineering or manufacturing industries.

Employee handbooks: Employee handbooks provide information on company policies, procedures, and behavioral expectations, intended to guide employees' actions at work.