Halo 4 has a teaser for the Terminals - Jul ‘Mdama
Halo 4 has a teaser for the Terminals that can be found in the game. If you don't know, the Terminals are points within the game that give an insight in the greater mechanics of the Halo universe. Halo 3 has them which revealed the super AI battles featuring Mendicant Bias and Halo: Reach featured datasets which revealed The Authority.
Titled “Jul ‘Mdama,” the teaser lets you know you why the Covenant is heading towards the planet Requiem on which Halo 4 is largely set.