What is To?

To definition and meaning on Dictionary terms:
(used for expressing motion or direction toward a point, person, place, or thing approached and reached, as opposed to from): They came to the house.
(used for expressing direction or motion or direction toward something) in the direction of; toward: from north to south.
(used for expressing limit of movement or extension): He grew to six feet.
(used for expressing contact or contiguity) on; against; beside; upon: a right uppercut to the jaw; Apply varnish to the surface.

(used for expressing a point of limit in time) before; until: to this day; It is ten minutes to six. We work from nine to five.
(used for expressing aim, purpose, or intention): going to the rescue.
(used for expressing destination or appointed end): sentenced to jail.
(used for expressing agency, result, or consequence): to my dismay; The flowers opened to the sun.
(used for expressing a resulting state or condition): He tore it to pieces.
(used for expressing the object of inclination or desire): They drank to her health.
(used for expressing the object of a right or claim): claimants to an estate.
(used for expressing limit in degree, condition, or amount): wet to the skin; goods amounting to $1000; Tomorrow’s high will be 75 to 80