Reflective question require people to examine their existing knowledge or information before giving a thoughtful response
One definition of reflection is thinking - therefore, reflective writing is written to think over something, to ponder a problem or situation, or to do some deep thinking about oneself.
You nailed it; it is definition, as you have in your question.
Reflective question require people to examine their existing knowledge or information before giving a thoughtful response for example, 'Which parts of Australia have you visited so far?'
A closed question is answered with 'yes' or 'no'
Without doubt or question; unquestionably.