The symmetry that a figure has if it can be made to fit exactly onto the original when it is translated a given distance at a given direction and then reflected over a line. As in translational symmetry, glide-reflectional symmetry exists only for infinite patterns.
literature noun [U] (WRITING). B1 written âartistic âworks, âespecially those with a high and âlasting âartistic âvalue: âclassical/âmodern literature Wuthering Heights is a âclassic of âEnglish literature. More examples. 1  He's very â knowledgeable about â German literature.
Poetry is a form of literature that uses aesthetic and rhythmic qualities of languageâsuch as phonaesthetics, sound symbolism, and metreâto evoke meanings in addition to, or in place of, the prosaic ostensible meaning. Poetry has a long history, dating back to the Sumerian Epic of Gilgamesh.