Continue writing the next sentence.

How to understand your dog's vocal language
Learn what your dog means when their barks are loud and frequent.
Loud and frequent means he's announcing to the others that he's the ruler of the roost.
Learn what your dog means when their barks are loud and frequent and accompanied by snarls.
Loud and frequent, accompanied by snarls means that he thinks he's being challenged, and is announcing that a fight to the interloper is about to begin. Learn what your dog means when their barks are rapid, crisp and continuous.