Wing wiki:
>For some other uses of the word "wing" please see Wing (disambiguation). A wing is a surface used to produce an aerodynamic force normal to the direction of motion by travelling in air or another gaseous medium, facilitating flight. It is a specific form of airfoil. The first use of the word was for the foremost limbs of birds, but has been extended to include other animal limbs and man-made devices.
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illustration wiki:
lustration is a visualisation such as drawing, painting, photograph or other work of art that stresses subject more than form. The aim of an Illustration is to elucidate or decorate a story, poem or piece of textual information (such as a newspaper article) by providing a visual representation of something described in the text.
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