Which of the following adverb tells how an action is performed?

The part of a sentence that speaks about the action of the noun is known as the verb. On the other hand, the words that give more information about the verb are known as adverbs. Depending upon the function performed by the adverb, they can be of several types. One of the types is the adverb of manner, which tells how an action is done. For example, in this sentence, "She was driving the car slowly," the word 'driving' is a verb, while 'slowly' is an adverb or adverb of manner, to be precise.