The title of the song translates to "We Were Little, " a reference to the only other moment the voice appears, at the end of the album.

NPR: Olafur Arnalds: 'Vid Vorum Sma'

In reference to each body on each moment in Time there are always only two coordinates in Space for one perpendicular.

FORBES: Colliding Galaxies Provide A Glimpse Into Our Future