Classify it, then compute it — two ways into the same Union Budget mechanics
Start in Learn — watch what each item actually does to the government's balance sheet. Switch to Test yourself only once that clicks.
Six sliders build the same two bars every time — Receipts and Expenditure. Switching the deficit definition doesn't redraw them, it re-colors them: dims what that definition ignores, hatches the one slice it specifically carves back out, and drops a marker showing exactly how far each bar counts. The gap between the two markers is the deficit.
Everything spent, against everything received except fresh borrowing.