Definition:Vector


 * Physics and Applied Mathematics:
 * Vector quantity: a physical quantity with both magnitude and direction.
 * Directed line segment: an instance of a vector quantity when the base point matters.


 * Linear Algebra:
 * Vector (Linear Algebra): an element of a general $K$-vector space.
 * Vector (Euclidean Space): a vector (linear algebra) whose vector space is a Euclidean space.


 * Affine Geometry:
 * Vector (Affine Geometry): an element of the tangent space of an affine space.


 * Definition:Vector Field

Also see

 * Definition:Vector Notation