Which of the following correctly describes the term tuple typing in JSON Schema?( )
Properties should be an object type with property definitions corresponding to instance object properties.
It provides an enumeration of possible values that are valid for the instance property. It should be an array, and each item in the array should represent a possible value for the instance value.
Items should be a schema or an array of schemas and the instance value should be an array with all the items in the array conforming to this schema.
It indicates the format of the data from among predefined formats. This property does not need to be validated by validators.
