Formula 1 and FIA unveiled new terminology ahead of technical rules overhaul for F1 2026 season. Key terms include 'Overtake Mode' (performance aid designed to boost overtaking opportunities), 'Boost Button' for strategic power use, 'Active Aero' (F1 cars can adjust angle of both front and rear wings) and 'Recharge' (F1 cars recovering energy to charge battery during braking).