Design Specifications and Guidelines - User Assistance
Online user assistance is an important part of a product's design. It can be supported in a variety of ways, from automatically displaying information based on context to providing troubleshooters that interactively walk through a process with the user. Its content can be composed of contextual, procedural, explanatory, reference, or tutorial information. This chapter provides a description of the common online forms of user assistance and guidelines for implementation.
Fundamentals of Designing User Interaction
Windows Interface Components
Design Specifications and Guidelines
Appendixes and References