申論 4According to IMO, an e-navigation concept can be defined as「the harmonizedcollection, integration, exchange, presentation and analysis of maritimeinformation on board and ashore by electronic means to enhance berth toberth navigation and related services, for safety and security at sea andprotection of the marine environment」. Global Maritime Distress and SafetySystem (GMDSS) plays an important part in the ship/ shore communication.Please discuss the role of GMDSS in e-navigation and give your opinions inEnglish.（25 分）