The Bank Identification Number (BIN) is a term from the credit card industry. It refers to a six-digit number that is assigned to banks for electronic routing of transactions. Credit/debit cards that are involved in banking transactions contain a BIN on magnetic stripe. The term BIN is no longer supported.
The Kingdom of Spain is a parliamentary constitutional monarchy guided by the 1978 constitution. The head of government is the king, a position which is hereditary. Daughters are allowed to inherit kingship only if the king has no sons. The government is a devolved one with autonomous regions and regional governments.
A monarchy is a country that is ruled by a monarch, and monarchy is this system or form of government. A monarch, such as a king or queen, rules a kingdom or empire. In a constitutional monarchy, the monarch's power is limited by a constitution. But in an absolute monarchy, the monarch has unlimited power. Monarchy is an old form of government, and the word has been around a long time.