The central argument is like the main idea or the big reason why someone is talking or writing about something. It's what they're trying to tell you is important or true, like when you say why you think your favorite toy is the best.
A budget deficit occurs when a government spends more money than it receives in revenue over a specific period, often necessitating borrowing to cover the shortfall. Persistent deficits can lead to increased national debt, impacting a country's economic stability and future fiscal policy options.