Over 45,000 keywords of modern Japanese language (from the early Meiji period to today) with countless compounds and usage examples. Latin transcription of all keywords and compounds with Kanji. Approximately 20,000 sentences from newspapers, magazines, advertisements, science, and literature with references. Highlighted basic and specialized vocabulary. Historical and technical explanations. Etymological notes and verified etymologies. Proverbs and idiomatic expressions. Jargon and specialized languages (youth language, slang, dialects). Resolutions of abbreviations. Specialized vocabulary from the fields of architecture, astronomy, biology and biochemistry, chemistry, computer science, electrical engineering, flora and fauna (including Latin nomenclature), geosciences, linguistics, mathematics, medicine, music, physics, law, sports, and techniques.