vector wiki:
[or may refer to:MathematicsVector space, an element in the spaceVector (spatial), in physics and engineering, an object that has a special relationship to the spatial coordinates/directionsProbability vector
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silhouette wiki:
houette is a view of an object or scene consisting of the outline and a featureless interior. The term comes from Ãtienne de Silhouette, Louis XV's miserly finance minister.
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flying,bird wiki:
ying bridge is an open area on top of a ship's pilothouse that serves as an operating station for the officers in good weather.
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