SPRO : SAP project reference object [TCODE]

SPRO:

SPRO stands for SAP project reference object. It is used to configure the system settings based on client requirements.
SPRO - SAP project Reference Object
SPRO - SAP project Reference Object
Its like the holy grail for functional. All project related settings like for example Number ranges for Sales document , pricing conditions etc are set here.

It is primarily used to set values and settings before implementation . It has range of functional areas and many settings that can be changed.
SPRO - Display Img
SPRO - Display Img
Each options has a detailed documentation available. So, if you want to learn functional aspects of SAP, this is the transaction you should check often.