Coordinate

Jack Harkness believed that Project Indigo had no coordinates. (TV: The Stolen Earth ^[+]Loading...["The Stolen Earth (TV story)"])

Planets were located according to galactic coordinates. (TV: Pyramids of Mars ^[+]Loading...["Pyramids of Mars (TV story)"], Full Circle ^[+]Loading...["Full Circle (TV story)"])

The Doctor's TARDIS and the Space-Time Manipulator operated using space-time coordinates and chrono-spatial coordinates. (TV: Knock Knock ^[+]Loading...["Knock Knock (TV story)"], Regeneration ^[+]Loading...["Regeneration (TV story)"])