Is there any way to know which journeys a profile is on or has been on?

Is it necessary to enable the Audience Orchestration that you mentioned in another answer? I don't see this option in the AJO interface 

When using a Time Condition in the journey, will all subsequent actions be triggered in the same frame? For example: I limit the push trigger between 08:00AM and 11:00AM, and put a wait of 1 day to send an email. Will this email be sent respecting the same original condition? And is this 1 day consi...

When a user exits a segment used in segment qualification, does he automatically exit the journey using this segment? As if the segment only considers users who have never bought before, but buy after entering the journey.