The global master template can be tweaked and changed for each business unit.
The questionnaire reflects the personalization’s that need to be applied to the master template for the new business unit.
Country Localizations: Oracle are providing more and more localizations for each country. They still need setups however to make them work. These setups can be attached to the personalized business unit setups before loading to the Oracle instance.
Once you have completed the questionnaire and any modifications needed to the global master template you can use the upload feature which will trigger the personalize and load phase.