See an example of portfolio attribute setting in Email Studio for Marketing Cloud Engagement.
Northern Trails wants to create a profile attribute for several of their subscribers. They navigate to Profile Management. Starting on the General tab, Northern Trails fills in the information of the attribute.
On the Data tab, they select Text for the Data Type since they will enter text only data.
Northern Trails clicks the Values tab and adds Male and Female as values for the Gender attribute.
The values are entered, but Northern Trails wants Female to appear first. They highlight the Female value and click Move Up.
They click OK and the attribute is added to the attribute list.