WORK IN PROGRESS. Opinions/Feedback welcome here

Introduction

This question is intended to be a collection of information on the tagging system, as it applies to Science Fiction & Fantasy. This includes information on how to tag, when to create tags, what to call them, and how to use them effectively.

Table of Contents

• What are tags and why do we have them?
• How should I decide what tags to put on my questions?
• How do I decide if a new tag should be created?
• What can I do with a tag once I know it exists?