Struggling to keep “top line” and “bottom line” tight, accurate, and investor-ready across US/UK usage? This lesson gives you analyst-grade control: you’ll pin down meanings and boundaries, deploy high-frequency collocations correctly, and craft concise earnings commentary that separates revenue, margins, and EPS with clean attribution. Expect crisp explanations, real-world examples and dialogues, and targeted exercises (MCQs, fill‑in‑the‑blank, error fixes) to cement precision and speed-to-publish.