In 'Applicants' sub-menu of the Recruitment Requistions, you can keep some notes related to the selection process. Use 'Expected Salary', 'Expected Salary Period', 'Date Available' and 'Remarks' columns to keep additional notes. HR team/Managers get those information usually during the Interviews and the values do not depend on the selection stage.
In order to perform this activity, an Applicant should be connected to a Requisition and Requsition should be in 'Approved' state.
As a result of this activity, specific columns in the 'Applicants' sub-menu of the Recruitment Requistion get updated.