Name, relationship, age, gender
Examples: The mailman delivers mail and your dog barks and jumps at the window; your dog sees another dog on a walk and barks/lunges; your dog jumps up to greet visitors
Example: growls/snaps/bites when someone approaches your dog while chewing a bone, resting on the couch, trying to take away a 'stolen' item.
Example: Barking when you leave the house, soiling indoors, escaping the crate, etc.