Glide Path Critical & Sensitive Area | Demarcation of area | Restricted Area at Airport

[@mithuudiptadas6665]

🙏🙏

[@socialissues4138]

What is ILS approach Z and Y.

[@aviationavi7532]

Please elaborate the question

[@durgasingh4412]

Good try but Some points are just not explained.
Why is the critical area larger than a sensitive area?
Why are larger aircraft but restrictions are lesser ? need more explanation to understand the concept completely.