the FED sets a target interest rate range and 4 main explicit interest rates: 1️⃣ Overnight Reverse Repo Rate (ON RRP) 2️⃣ Interest on Reserve Balances (IORB) 3️⃣ Discount Rate - also known as Lending Rate 4️⃣ Standing Repo Facility (SRF) more on them later (keep reading 😁)