Stepped vs level premiums: how each works, and why both can rise

Stepped premiums are recalculated for age each year; level premiums start higher and rise more slowly. Why insurers renamed both, and why both can still rise.
Financial Planning. Canberra, Sydney, Melbourne

Stepped premiums are recalculated for age each year; level premiums start higher and rise more slowly. Why insurers renamed both, and why both can still rise.