What are the characteristics of adverb?

Adverbs are Words that modify verbs, adjectives, or other adverbs, providing additional information about how, when, where, or to what extent an action occurs. They often end in "-ly," such as "quickly" or "happily," but can also take other forms like "very" or "well." Adverbs can enhance clarity and detail in sentences, making them essential for effective communication. Additionally, they can indicate frequency, manner, degree, or time.