5ad0d9c6_Manage_Roadmaps___Rally_Help__Description
[Field] Order Index [Description] 
The value in this field determines column order in the Kanban. For example, 1 is the first column, 2 is the second column, and so on. Reorder the column order by changing the values of each. Click the arrow immediately next to the field name to sort by ascending or descending order.
Manage Roadmaps | Rally Help