Hajj & Umrah Dam
If a mistake is made during the rituals of Hajj or Umrah, or if a restriction of Ihram is violated, a "Dam" (penalty sacrifice) becomes obligatory.
Umrah Dam
Usually requires one small animal (Goat/Sheep) to be sacrificed and distributed to the poor.
Hajj Dam
Includes Dam for Qiran/Tamattu or for missing a Wajib act like Rami or staying in Muzdalifah.