The order of the languages represents the hierarchy of data searching activities. This meaning, that when users query content, which is available in multiple languages, the data which will be ultimately featured is prioritized based on the order of the languages.
Reordering languages re-ranks the query hierarchy.
To reorder languages, please see the steps below:
1. Navigate to the System Admin section
2. Select the Languages tab
3. Select the 
and drag the selected language into the order that you desire
4. Select the desired language and select the 
button.
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