recalculation

[Folies2013]

hey,
Good afternoon,

What is  the difference between

Recalculation of Brought Forward Balances in Chart Details Table
Z_UpdateChartDetailsBFwd.php

to be used with extreme care

and

Recalculation of GL Balances in Chart Details Table
Z_RePostGLFromPeriod.php

in which case each of script  shall be used .

Thank you for your answer in advance