An inbound lead is a collection of fields which you have collected or bought.
If the inbound lead is from a distribution campaign it can be distributed.
An inbound lead can alway's be cherry-picked for an account.
An inbound lead can be deleted or disapproved. This doesn't affect the already generated outbound leads.
An inbound lead collected through an affiliate partner can be scrubbed if the lead is within the scrub day's set in the commission for the inbound lead.