Uncorrected Proof is a preliminary version of an article, shared before final editing and formatting are complete. It may still contain typos or layout issues.

Corrected Proof is the updated version after author and editorial corrections, but not yet in the final formatted form.

Article in Press is a fully accepted article awaiting assignment to a specific journal issue.

Final Publication is the officially published version, copyedited and formatted for the journal, and should be considered the definitive version for citation.