What is the best way to express the deep meaning of marriage is therefore to speak of in terms of a_______

The best way to express the deep meaning of marriage could be to speak of it in terms of a "covenant" or "lifelong commitment".

Step 1: Understand the context The context here is about expressing the deep meaning of marriage.

Step 2: Choose the right word The word should be something that encapsulates the essence of marriage. Words like "covenant" or "lifelong commitment" can be used.

Step 3: Formulate the sentence The deep meaning of marriage is therefore best expressed in terms of a "covenant" or "lifelong commitment".

This sentence implies that marriage is not just a contract or agreement, but a deep, lifelong commitment that is sacred and binding.