The document discusses the use of the phrase "causative have" to describe when someone arranges for an action to be done for them by another person or service provider. It provides the example of saying "Mary had her hair cut last week" to mean that Mary's hair was cut by a hairdresser. It also discusses using "has had repaired" to say that Susan arranged for her camera to be repaired by a repair shop rather than saying "has repaired" which would imply Susan did the repair herself.