The Vietnamese word "bố chánh" can be understood in a couple of ways, primarily in informal contexts. It is often used to refer to someone who is the main or primary figure in a situation. The phrase "như bố chính" translates to "like the main father" or "like the main one," suggesting a central or authoritative role.
In summary, "bố chánh" is a versatile term that can be used to refer to someone who plays a central role in various contexts, whether in a family, a group of friends, or a professional setting.