What is the meaning of the reaction?

(1). Still reflecting; Reflection. Ding Ling's Hu Wei, chapter 2, section 6: "The little red sand lamp on the ceiling reflects many black shadows with big circles." Wang Xiyan's "Snow" V: "Although it is dusk, the window is still bright because of the reflection of snow light."

(2) Metaphorically express or show the essence of objective things. Ba Jin's The Role of Literature: "Literary works are the reflection of the author's understanding of life." Wei Wei's Collection of Spring Strong Movements: "This discussion covers a wide range. Mainly reflects two problems. "

(3) to convey and report the situation or opinions to the superior. Zhou Enlai's On Wuhan Work: "What is particularly serious is that the actual situation of the lower class people is not reflected in the guiding organs." Huacheng 198 16: "According to the masses of the provincial song and dance troupe, his wife can't even play the piano for that despicable purpose."

(4) Subjective feelings and opinions caused by objective things. Modeling (photography, copying) caused by objective things acting on human senses is reflection, also called reflection. People's feelings, perceptions, appearances, thoughts and concepts are all reflections of the objective world, and practice is the basis of reflection. Ai Qing's Preface to Selected Poems: "Poets should be loyal to their feelings. The so-called feeling is a reflection of the objective world. "