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Vectors are drawn between two points, the initial point and the terminal point. For example, if a vector is drawn between $A$ and $B,$ it can be named $AB$ or $BA$ depending on the initial point and terminal point.

A vector can also be written in component form. In two dimensions, this is $⟨x,y⟩.$ Here, the first coordinate is the horizontal change and the second coordinate is the vertical change.

In the case of a vector in a three-dimensional space, the component form is $⟨x,y,z⟩.$ Here, the coordinates represent the change in the direction of their corresponding axes.