The institution of marriage is a socially recognized union between individuals, often formalized through legal or religious ceremonies. It typically involves a commitment to share life together, support one another, and may include the intention to raise children. Marriage can vary widely across cultures, with different customs, traditions, and legal implications. Historically, marriage has served various purposes, including economic stability, social alliances, and the regulation of sexual relationships. In many societies, it is considered a foundational element for family structure and community cohesion. The roles and expectations within marriage can evolve, reflecting changes in societal norms and values.