What do the different statuses mean?

People Statuses

Open: The person has registered on aiesec.org but has not applied to any opportunities yet.
Applied: The person has applied to at least one opportunity.
Accepted: The person has been accepted to an opportunity and has signed the acceptance note.
Approved: The person is confirmed for exchange, has paid all fees and fulfilled all requirements, and is ready to go on exchange.
Finished: The person has been on an exchange experience but has not been delivered the required standards to be marked as Complete yet.
Completed: The person has been on an exchange experience and all the required standards were delivered.
Deleted: The person has deleted their account.

Application Statuses
Open: The person has applied to the opportunity and is waiting for next steps.
Accepted by Host: The person has been accepted by the hosting entity of the opportunity but has not confirmed their acceptance yet (i.e. by signing their acceptance note).
Accepted: The person has been accepted to the opportunity and has signed the acceptance note.
Approved by Home: The person is confirmed for exchange, has paid the exchange fees and has fulfilled all requirements from the home entity's side, but is still pending approval by the host entity.
Approved by Host: The person is confirmed for exchange, has paid the exchange fees and has fulfilled all requirements from the host entity's side, but is still pending approval by the home entity.
Approved: The person is confirmed for exchange, has paid all fees and fulfilled all requirements, and is ready to go on exchange on the opportunity.
Realized: The person has attended work and is currently on an exchange experience.
Finished: The person has been on an exchange experience but has not been delivered the required standards to be marked as Complete yet.
Completed: The person has been on an exchange experience and all the required standards were delivered.
Rejected: The person did not successfully pass one of the stages to go on exchange.
Withdrawn: The person withdrew their application.
Declined: The person declined to accept this experience.
Approval/Realization/Acceptance Broken: The person's approval/realization/acceptance was broken.

Opportunity Statuses Open: The opportunity is published and visible on aiesec.org.
Draft: The opportunity has not been published to aiesec.org.
Under Review: The opportunity has been submitted for review before being published on aiesec.org. This can only be triggered from POP.
Removed: The opportunity was once open but is now unpublished from aiesec.org.
Expired: The opportunity close date has passed.
All Openings Filled: All openings for this opportunity have been filled.