What's next to the single?

Billion, benevolence, what, what, servant, what, resentment, culture, what, return, only, what, official, war, generation, salary, fairy, what, thousand, painting, what, instrument, him.

Ren, Shang, Lun, Yang, Yi, Imitation, Yi, Gang, Queue, Yi, Similarity, Yi, Estimate, Body, Why, Yi, No, Have, Yi. Waste, beauty, care, convenience, happiness, beauty, gentleman, husband and wife, debt, husband and wife, care, protection, giving, repair, rest, care, Russia. Sorry, anxious, prone, anxious, anxious, compulsive, healthy, double, anxious, anxious, stubborn, anxious, conscientious.

1) Unilateral means radical.

2) The radical on the left represents.

3) Classification of radicals:

(1) Nouns refer to the categories of people, such as Jun, Jie, Confucianism, Xia and Qiu. There are not many words of this kind.

(b) Adjectives, indicating human virtues, such as arrogance, pride, thrift, luxury and kindness. There are not many such words.

(3) Verbs, indicating human behavior. There are many words in this category. Such as enterprise, promotion, fu, official, easy, leaning, extension, rigidity, suppression, servant, borrowing, payment, compensation, official, envoy, invasion, cutting, seizure, humiliation and so on.