on to

Preposition

 * 1) Upon; on top of.
 * 2)  Aware of.
 * 3) Used to indicate, or signpost, logical progression to a new topic in a talk or discourse.
 * 1) Used to indicate, or signpost, logical progression to a new topic in a talk or discourse.
 * 1) Used to indicate, or signpost, logical progression to a new topic in a talk or discourse.
 * 1) Used to indicate, or signpost, logical progression to a new topic in a talk or discourse.