.title
Introduction

.definition
An introduction to A Pie Menu Cookbook:
Techniques for the Design of Circular Menus

.contents

	This report describes the design of efficient and easy to use pie menu
	selection techniques. Pie menus are a fast, accurate way of using a
	mouse to select from items displayed on the screen. They have several
	advantages over traditional linear menus, and many practical
	applications.
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	This report describes characteristics and distinctions of pie menus
	and gives examples of pie menu applications that take advantage of
	these qualities. It suggests general principles and heuristics for
	effective pie menu design, that can be applied to other applications.
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	==> .~ Characteristics and distinctions of pie menus~