Standard Rule : Standard Rule is which we can define rules without using any Logical Conditions (AND, OR) if we define more than one rule this will take Logical “AND” Condition automatically.
Advanced Rule : Advanced Rule is which we can define rules with using Logical Conditions (AND, OR).This Advanced Rule is Ultra flexible for creating more logical rules.
Click on "Add Rule" button, it will open Add Language Rule page.
Select language from Language drop down, Select logical rule from "Add Rule" section. In this case country is equal to India selected then click on "Save Rule" button.
This rule is apply french language in France.
Here highlighted one is the "language by country" rule.