Christmas decorations were decorations used during the Christmas season, including Christmas lights, (PROSE: Frontier Worlds) Christmas stars (TV: Turn Left) and baubles. (GAME: The Christmas Trap) Christmas trees were adorned with decorations. (TV: The Doctor, the Widow and the Wardrobe)
The Brigadier described the lit-up surveillance devices planted in UNIT HQ by the Master as Christmas decorations. (COMIC: The Heralds of Destruction)
In a parallel world on Christmas Eve 2007, Veena Brady suggested that the Webstar which appeared in London was a result of Ken Livingstone "spending our money on decorations." (TV: Turn Left)