Customs or practices that are common to all societies, yet expressed differently, are called

Cultural Universals.

Explanation:

The term cultural universals can be defined as those elements and patterns of   customs or practices that are common to all societies, yet very distinctive. Cultural Universals can be considered those common principles that guide that holds human civilizatiion to it's central core.

The term cultural universals has been used extinsively by anthropologists such as Claude Levi-Strauss. Some elements that are common globally to all societies are incest, family unit, marriage, etc.

Thus the correct answer is Cultural Universals.

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