ere are the few naming conventions that are followed since 1.9.0 version. 

Instead of BOGO Product Discount option, these options are right in just one click.

In Woo discount rules --> Price Rules Settings --> Discount tab. 

From 1.8.3

Dropdown under receive discount for is merged in Adjustment type itself.

Auto add all selected products is henceforth Buy X get Y (Auto add all selected Products)

Same Product is henceforth Buy X get X(same product)

Cheapest in cart - selected category(ies) is the same.

Cheapest in cart - selected item(s) is the same.

Cheapest among all is the same.

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