EXPLAINERIn the first phase of the ceasefire plan, Israel will remain in control of nearly 60 percent of the Gaza Strip.In the early hours of Wednesday morning in Gaza, United States President Donald Trump announced that Hamas and Israel had agreed on the first phase of his ceasefire and captive-exchange plan.In a post on his Truth Social platform, Trump stated : “ALL the hostages will be released very soon, and Israel will withdraw their troops to an agreed upon line.”The “agreed upon line” refers to a vague map shared by Trump on October 4, showing an initial Israeli withdrawal zone marked in yellow, later dubbed the “yellow line” by Trump officials.By Sunday or Monday, Hamas is expected to release about 20 living captives, along with the bodies of about 25 others, while Israel will free some 2,000 Palestinians detained in Israeli prisons. Final details have yet to be confirmed.Where is the initial withdrawal ‘yellow line’?Israel currently controls more than 80 percent of Gaza’s 365sq km (141sq miles) area, including areas under forced evacuation orders or designated by Israel as military zones.Once the deal is signed, fighting would be expected to end immediately, and Israeli forces would withdraw to the line marked in yellow.The final map has not yet been published following negotiations in Egypt, but based on the October 4 map, the area inside the yellow line represents approximately 155sq km (60sq miles), leaving about 210sq km (81sq miles), or 58 percent of Gaza, under Israeli control, as verified by Al Jazeera’s Sanad team.Most notably, Israeli forces will remain in several previously populous Palestinian neighbourhoods, including: