Field help (DESSHO) 

Title used in some screens or reports when there is not enough space to view the long title.

By default the short title, the long title or the column header of a data are recorded (on creation/update) in the connection language of the user.
You can add your translation in another language using the Translation function:

A user who logs on with this language will view the short description, long description or column header in their connection language if a translation exists. Otherwise, these descriptions will be available in the folder language.

SEEINFOThe connection language must be defined as a default language for thefolder.