What is the meaning of sort out?

verb

• Arrange or order by classes or categories.
  • usage: "How would you classify these pottery shards-are they prehistoric"
  • synonyms: classify, class, sort, assort, separate
• Make free from confusion or ambiguity; make clear.
  • usage: "Could you clarify these remarks"; "Clear up the question of who is at fault"
  • synonyms: clear, clear up, shed light on, crystallize, crystallise, crystalize, crystalise, straighten out, enlighten, illuminate, elucidate
• Punish in order to gain control or enforce obedience.
  • usage: "The teacher disciplined the pupils rather frequently"
  • synonyms: discipline, correct