| Qubit | Quantum information unit represented by amplitudes before measurement. |
| Superposition | A state structure where alternatives can interfere. |
| Measurement | Interaction that produces a classical record. |
| QUBO | Quadratic Unconstrained Binary Optimization. |
| Annealing | Search for low-energy solutions. |
| QAOA | Gate-model approximate optimization algorithm. |
| Quantum-inspired | Classical algorithm/scoring inspired by quantum optimization ideas. |
| ERP/SCM optimization | Planning, allocation, supplier, capacity, and scheduling decisions under constraints. |