The Shin Kanzen Master N4 Kanji PDF is a study material for learners of Japanese, specifically those preparing for the N4 level of the Japanese Language Proficiency Test (JLPT). The PDF likely contains a comprehensive guide to kanji characters required for the N4 level.
Notice how the book groups them by theme (all hospital/health words). This is vastly superior to learning random kanji like "tree" then "dog." shin kanzen master n4 kanji pdf