The Auras of Survivors, who are healing or being healed, are revealed to you when they are within a range of 20/24/28 meters.

Survivors who take a protecti0on hit are inflicted with the Broken status effect for 80 seconds.

Broken prevents Survivors from being healed.

When a Survivor heals another  Survivor for one health state at least 32 meters away from the Killer, the Survivor performing the healing action will scream, revealing their location and activating Deathbound for the next 60 seconds.  During that time, the Survivor will suffer from the Oblivious status effect when further than 8 meters away from the healed Survivor.

Oblivious prevents the Survivors from hearing or being affected by the Killers Terror Radious.

After a generator is repaired, The Entity blocked the generator with the most progress for 30 seconds.  You see its white aura during this time.