Manuals are instructional documents that provide guidance on how to use, operate, or maintain a product or system. They are commonly found in various fields, including electronics, machinery, and software. Manuals often include step-by-step instructions, diagrams, and troubleshooting tips to help users understand the features and functions of the item. There are different types of manuals, such as user manuals, service manuals, and installation manuals. A user manual typically focuses on everyday use, while a service manual provides detailed information for repairs and maintenance. Manuals are essential for ensuring that users can effectively and safely utilize products, enhancing their overall experience.