What Are The Differences Between In, On, And At

In: –preposition

1.      (used to indicate inclusion within space, a place, or limits): walking in the park.

2.      (used to indicate inclusion within something abstract or immaterial): in politics; in the autumn.

3.       (used to indicate inclusion within or occurrence during a period or limit of time): in ancient times; a task done in ten minutes.

4.      (used to indicate limitation or qualification, as of situation, condition, relation, manner, action, etc.): to speak in a whisper; to be similar in appearance.

5.      (used to indicate means): sketched in ink; spoken in French.

On: –preposition

1.      so as to be or remain supported by or suspended from: Put your package down on the table; Hang your coat on the hook.

2.      so as to be attached to or unified with: Hang the picture on the wall. Paste the label on the package.

3.      so as to be a covering or wrapping for: Put the blanket on the baby. Put aluminum foil on the lamb chops before freezing them.

4.      in connection, association, or cooperation with; as a part or element of: to serve on a jury.

5.      so as to be a supporting part, base, backing, etc., of: a painting on canvas; mounted on cardboard; legs on a chair.

At: –preposition

1.      (used to indicate a point or place occupied in space); in, on, or near: to stand at the door; at the bottom of the barrel.

2.      (used to indicate a location or position, as in time, on a scale, or in order): at zero; at noon; at age 65; at the end; at the lowest point.

3.      (used to indicate presence or location): at home; at hand.

4.       (used to indicate amount, degree, or rate): at great speed; at high altitudes.

5.      (used to indicate a direction, goal, or objective); toward: Aim at the mark. Look at that.