Meaning: The dog made a loud noise using its mouth.
Choice of Words:Barked is the sound a dog makes. Loudly means making a lot of noise.
Alternative Expressions
The dog barked loudly at the mailman.
Meaning: This sentence describes a dog that made a loud noise at a person who delivers mail. It is similar to the first sentence, but it does not specify that the dog is big.
Choice of Words:The is an article that refers to a specific noun. Dog is a noun that refers to an animal. Barked is a verb that describes the sound that the dog made. Loudly is an adverb that describes the volume of the bark. At is a preposition that indicates the direction of the bark. The is an article that refers to a specific noun. Mailman is a noun that refers to a person who delivers mail.
A dog barked loudly at the mailman.
Meaning: This sentence describes a dog that made a loud noise at a person who delivers mail. It is similar to the second sentence, but it does not specify that the dog is big or that it is a specific dog.
Choice of Words:A is an article that refers to a non-specific noun. Dog is a noun that refers to an animal. Barked is a verb that describes the sound that the dog made. Loudly is an adverb that describes the volume of the bark. At is a preposition that indicates the direction of the bark. The is an article that refers to a specific noun. Mailman is a noun that refers to a person who delivers mail.