What is the meaning of Turn_to?

With to as particle:

1. To apply oneself; to focus; to get one's head down.

   To apply oneself; to focus; to get one's head down.

   With to as preposition:

   1. To become; to turn into.

      To become; to turn into.

      To consult for advice or help.

      To start to do or to use something in an attempt to deal with a difficult and unpleasant situation.

      To direct one's attention or efforts toward something.

      Used other than figuratively or idiomatically: see turn,‎ to.

      Source: wiktionary.org