书: Books, repositories of knowledge, embody wisdom. They express art and literature, convey profound thoughts, facilitate emotional expression, and are adorned with literary elegance.
楷: Exemplar, paragon. This signifies agile thinking and strategic acumen, which bode well for the advancement of future endeavors.
Meaning: Books symbolize knowledge, while 'Kai' represents a model or standard, signifying profound learning and upright character, serving as an example for others.