No. The NHS Pension Scheme is a defined benefit pension. Your benefits are calculated under Scheme rules rather than by the value of an investment fund.

Because each figure answers a different question. Annual pension income, tax-free lump sum, CETV and Pension Input Amount all measure different things.

No. A Pension Input Amount is used for Annual Allowance testing. It is not a retirement income figure and it is not a real pension pot.

Not necessarily. It means the figures need to be checked against your available Annual Allowance, carry forward, tapering position and other pension savings.

Pension income is the annual amount payable from the Scheme. A CETV is an actuarial cash equivalent value used for specific purposes, such as divorce or some transfer-related contexts.