[Koha] How to edit the data entry worksheet

Dear Members , -- I intend to edit the data entry worksheet and customize the opac home page . Tell me the specified file to do this.or any other procedure to perform this. Raj Kumar Bhardwaj Hon'ble Judges Library, High Court of Punjab and Haryana , Chandigarh -- " There is a difference between an objective and actions. Unless you understand your objective, you will be wasting your time in actions. Know your objective first " – Swami Vivekananda