Abbreviations and acronyms are common in technical and administrative content. Defining them helps ensure the ebook remains clear and understandable for all readers.

Objectives

• Provide quick access to the meaning of abbreviations and acronyms.
• Enable automated content processing, such as the generation of an index of terms.
• Improve content discoverability and SEO.
• Enhance accessibility for users with disabilities.

Implementation

• Provide the full meaning of an abbreviation or acronym at its first occurrence in the book or chapter.
• Include the expanded form directly in the text (e.g., ‘DTD (Document Type Definition)’), link to a glossary, or use the HTML element with a title attribute.
• Note that this requirement only applies to the first instance of the term.

Control

• Identify abbreviations and acronyms on each page and verify that their full meaning is provided at their first occurrence.
• Check that the definition is provided either directly in the text, via a link to a definition or glossary, or using the HTML element with a title attribute.