From a higher position to a lower one; downwards

• What are you doing down here?

  Tatoeba · Hybrid · CC BY 2.0 FR

• I'll never let you down.

  Tatoeba · CK · CC BY 2.0 FR

To or towards what is considered the bottom of something, irrespective of whether this is presently physically lower

At a lower or further place or position along a set path

To a subordinate or less prestigious position or rank

So as to lessen quantity, level or intensity

So as to reduce size, weight or volume

So as to secure or compress something to the floor, ground, or other (usually horizontal) surface

In a downwards direction; vertically

To the south (as south is at the bottom of typical maps)rare

Away from the city (regardless of direction)rare

From the higher end to the lower of

• I fell down the steps.

  Tatoeba · Eccles17 · CC BY 2.0 FR

• Turn the radio down a little.

  Tatoeba · CK · CC BY 2.0 FR

From north to south of

Towards the mouth of (a river); in the direction of flow of

From one end to another of (in any direction); along

At (a given place that is seen as removed from one's present location or other point of reference)

To (a given place that is seen as removed from one's present location or other point of reference)