adverb
Definition: This word is used to indicate direction, movement, or position towards a person, place, or thing. It can also show a change in state or condition.
Example: She walked to the store to buy some groceries.
preposition
Definition: A word used to indicate direction, place, or position, often showing the relationship between a noun or pronoun and other words in a sentence.
Example: She went to the store to buy some groceries.