What does abstraction mean?

Abstract explanation (1) [abstract]: not specific; General and abstract existence (2) [Invisible]: A detailed explanation of the invisible embodiment of abstract ideal (1). From many things, the process of abandoning individual and non-essential attributes and extracting the same and essential attributes is a necessary means to form concepts. Zhu Guangqian's The Role and Ideal of Image Thinking in Literature and Art: "Abstraction is' refining', which is what Comrade Mao said in" On Practice ":'It is the time to transform rich sensory materials, discard the false and retain the true, and go from the outside to the inside. He Manzi's Literary Imagination, Morality, Trend of the Times and Love: Therefore, comparing Pavel Kochakin's love with this couple, just like comparing an electric fan with an electric iron, we can only abstract that their similarities are household appliances. (2) What cannot or has no specific experience is only theoretical; Empty and elusive. As opposed to "concrete". Qu Qiubai's Journey to Hunger VII: "All of them don't know the abstract term' culture', but it has the effect of the integration of Chinese and Russian cultures. "Bing Xin's" To a Little Reader "7:" Her love is gentle and charming. My love for her is indifferent. This may be too abstract, but I have nothing else to describe it. " Word decomposition and extraction of meaning: extraction of middle: extraction of letters. Draw a part from sth: draw lots. Draw (draw). Spot check the faucet. Get a salary and stop boiling. Smoking: Smoking. Pump water. Sobbing. Swallow it. Generalization: abstraction. Play. Shrink: Shrink. Pull out: pull out. Bud. Stretching yarn. Elephants are the largest animals on earth, and most of them live in tropical areas, such as India and Africa. Its front teeth are very long and can be carved into utensils or works of art: ivory. Ivory tower (a small world of writers and artists divorced from the masses and life) shape, appearance: image. Scene. Meteorological phenomena.