The word ** vector** means "carrier" in Latin; it is derived from the Latin verb

- In mathematics, it generally refers to any element of an abstractly-defined vector space over a field.
- Vector (spatial): In physics and engineering,
*vector*most often refers specifically to an object that has a special relationship to the spatial coordinates/directions, i.e. an element of a tangent bundle.- Related concepts include: four-vector (the generalization to space and time in relativity), pseudovector, vector calculus, vector bundle, unit vector, and normal vector.

- If the vector space is finite-dimensional, its vectors are commonly denoted by matrices with dimensions
*n*×1 (*column vector*) or 1×*n*(*row vector*). - Other specific types of vector include: probability vector.

- Vector (spatial): In physics and engineering,
- In computer programming, the same as list or one-dimensional array.
- a vector supercomputer has SIMD operations that work on arrays of several numbers at once
- dope vector
- In operating systems, a memory location

- Vector graphics describes a line or move in computer graphics
- Vector (computing) is the method that malicious code (viruses, etc) uses to propogate itself. (from the concept of biological vector below)
- A biological vector is a mechanism that transmits genes or organism. Most often used in the context of transmission of diseases.
- A person or entity that passes along an urban legend. (also from the concept of biological vector)
- Vector (band) is the name of a 1980s new wave rock band
- Wiktionary:vector