What do the application status codes mean?

Under Review by Human Resources: Your application has been received by Human Resources and is awaiting completion of the initial review and screening processes.
Under Review by the Hiring Department: Your applicant and supplemental documents have been received by the appropriate search committee and are awaiting completion of the initial review and screening processes. Invitations for interview will be extended to all finalists as collectively determined by the search committee.
Referred to the Hiring Department: Your application has been determined to be among the ‘most qualified’ for the respective vacancy and has been referred to the hiring official(s) for further review and consideration. Invitations for interview will be extended to all finalists as determined by the hiring official(s).
In Progress: Your application was not included among the initial referral group but may receive consideration at any time until the vacancy has been filled.
Incomplete Application: You have not yet completed all required steps of the application process. To receive full consideration, you must edit your original application to include or complete all missing or required information.
Position Canceled: Recruitment activities for this particular vacancy have been canceled by the hiring department due to insufficient funding, position reallocation, or other business-related reasons.