"To" is a preposition, and can be used to indicate direction,
    movement, contact, place, and position, among other things.
    
    Examples
    "He went to the store."
    "She turned to him."
    "According to the book, that's not true."
    "It's fifteen miles to the nearest gas station."
    "The key to the car."
    
    See HELP TOO, HELP TWO