Up

For UP as an acronym or initialism, see "UP"

UP The Unión Patriótica, Patriotic Union Party, was a leftist Colombian political party founded by the FARC in 1985.
Up describes the positive z-value in a gravitational field, just as "down" represents the negative z-value. The z-axis is the only axis that is not apparently arbitrary. The x and y values, "North", "South", "East", and "West" do in fact exist (and are named relative to the direction of the Earth's spin) but are not readily apparent.
A computer or machine is said to be up when it's working properly, and down when it isn't.
In baseball, a player is described as being up when he is facing the pitcher.
In rail transport, "up" is the traditional term for the direction leading to the principal terminus, i.e. towards milepost zero. For main lines in the United Kingdom, it refers to the direction of travel towards London. In Scotland, "up" is towards Edinburgh, and on the Valley Lines network in South Wales, "up" refers to services towards Cardiff Central (despite the fact that in terms of elevation all these lines run down to Cardiff).
The act of travelling to Oxford or Cambridge University is referred to as 'going up'. When a student is expelled from either they are 'sent down'.
Up is also the name of a kind of quark.
Up is simply a perspective to which the user is the main variable.
Musically, it may refer to:
- The Great Big Sea album Up
- The Peter Gabriel album Up
- The R.E.M. album Up
- The Shania Twain album Up!
- The Shania Twain single "Up!"