Most of the time, In PeopleSoft translate values for a field is maintained by developers via Application Designer. However, there is a way to maintain the values in the translate table via online as well. Thus, security administrators, power users can now add their own translate values to an application.
To maintain translate values Navigate to PeopleTools > Utilities > Administration > Translate Values
To maintain translate values Navigate to PeopleTools > Utilities > Administration > Translate Values