| ATC | Available Transmission Capacity |
| CAPEX | Capital Expenditures |
| CDN | Content Delivery Network |
| CfD | Contract for Difference (mechanism guaranteeing a fixed price for electricity) |
| CPPI | Container Port Performance Index |
| Dena | Deutsche Energie-Agentur – German Energy Agency |
| ENTSO-E | European Network of Transmission System Operators for Electricity |
| EPC | Engineering, Procurement, and Construction |
| ERTMS | European Rail Traffic Management System |
| FDI | Foreign Direct Investment |
| FID | Final Investment Decision |
| GIS | Geographical Information System |
| HFO | Heavy fuel oil |
| HVDC | High Voltage Direct Current |
| IEA | International Energy Agency |
| IMEC | India-Middle East-Europe Corridor |
| IRENA | International Renewable Energy Agency |
| IRU | International Road Transport Union |
| ICT | Information and Communication Technology |
| IoT | Internet of Things |
| ITF | International Transport Forum |
| ITU | International Telecommunication Union |
| IXP | Internet Exchange Points |
| LCOH | Levelized Cost of Hydrogen |
| LNG | Liquefied Natural Gas |
| LPI | Logistics Performance Indicators |
| LSCI | Liner Shipping Connectivity Index |
| M2M | Machine to Machine |
| NECP | National Energy and Climate Plan (EU) |
| OECD | Organisation for Economic Co-operation and Development |
| PLSCI | Port Liner Shipping Connectivity Index |
| PMR | Product Market Regulation |
| TEN-T | Trans-European Transport Network |
| TEU | Twenty-foot Equivalent Unit (container capacity) |
| TFA | Trade Facilitation Agreement |
| TFI | Trade Facilitation Indicators |
| TIR | Transit International Routier |
| TSO | Transmission System Operator |
| UNCTAD | United Nations Conference on Trade and Development |
| UNOC | United Nations Oceans Conference |
| VRE | Variable Renewable Energy |
| WACC | Weighted Average Cost of Capital |
| WTO | World Trade Organization |
| WRI | World Resources Institute |
Measuring Connectivity across the India‑Middle East‑Europe Corridor