A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It's usually written by a technician, product developer, or a company's customer service staff.
User guide are often included with the purchase of household appliances. But now it is common in both services, software, applications... It is published in hard copy, or in soft copy.
Most user guides contain both a written guide and associated images.