Invited: a brand offered you the deal; accept or decline.
Applied: you applied; waiting on the brand.
Partnered: you're in. Deliver content per the deal terms.
Completed: the brand marked the deal done: all deliverables are in.
Paid: all payouts for the deal have settled.
A deal can also end early: declined or rejected (before partnering), expired (application deadline passed), removed (brand ended it), or left (you chose to leave).