A noise an animal makes, such as a dog bark or a rooster crow, can represent:
A traditional or cultural meaning of that sound or that animal, such as a rooster crow representing dawn or morning
The animal that makes that sound, or its characteristics
The situation or feeling associated with the particular sound, such as a dog's wimper representing sadness or an unmet need
A particular meaning you associate with that specific sound based on your experience or animals you've been around in the past, such as a sheep baa-ing representing your recent trip to Scotland
Possible dream symbol meanings in the dream dictionary are suggested. No "standard meanings" exist because dream meaning is subjective and specific to the dreamer.