What are the key differences between formal and informal modes of address in Polish (Pan/Pani/Państwo vs. ty), and what are the potential consequences of using the wrong form?

The key differences between formal and informal modes of address in Polish center around respect, social distance, and familiarity. The formal mode uses 'Pan' (for a man), 'Pani' (for a woman), and 'Państwo' (for a group of people or a couple), followed by the person's last name or professional title. This mode is used with strangers, elders, superiors, or anyone where a degree of politeness and respect is required. The informal mode uses....