Meaning

• A directed quantity, one with both magnitude and direction; the signed difference between two points.

• An ordered tuple representing a directed quantity or the signed difference between two points.

• Any member of a (generalized) vector space.

  "The vectors in {\mathbb Q}[X] are the single-variable polynomials with rational coefficients: one is \textstyle x^{42}+\frac1{137}x-1."

• A chosen course or direction for motion, as of an aircraft.

• A carrier of a disease-causing agent.

• (by extension) A person or entity that passes along an urban legend or other meme.

• A recurring psychosocial issue that stimulates growth and development in the personality.

• The way in which the eyes are drawn across the visual text. The trail that a book cover can encourage the eyes to follow from certain objects to others.

• (operating systems) A memory address containing the address of a code entry point, usually one which is part of a table and often one that is dereferenced and jumped to during the execution of an interrupt.

• A one-dimensional array.

• A graphical representation using outlines; vector graphics.

  "a vector image"

• A DNA molecule used to carry genetic information from one organism into another.

Meaning

• To set (particularly an aircraft) on a course toward a selected point.

• To redirect to a vector, or code entry point.