Final answer:
The couple considering themselves husband and wife without being legally married is a social and cultural understanding of marriage.
Step-by-step explanation:
In the given context, the statement refers to a social and cultural understanding of marriage. It indicates that the couple considers themselves to be husband and wife despite not being legally married.
This could be due to their emotional commitment, their shared life, or their personal beliefs about their relationship.
This situation is often referred to as a "common-law marriage" or a "domestic partnership." In some jurisdictions, couples who live together and meet certain criteria may be recognized as having a legal relationship similar to marriage, even if they have not gone through a formal marriage ceremony.
The specifics of common-law marriage laws vary by jurisdiction, and not all places recognize this type of relationship. It's important for couples in such situations to be aware of the legal status of their relationship in the region where they reside, as it can affect various aspects such as property rights, inheritance, and legal obligations.