understand the difference between these 3 lanterns

understand the difference between these 3 lanterns Yalan Gur was the Lantern of earth/Sector 2814 in the 10th century. he is the 2nd oldest known Green Lantern of sector 2814. he was corrupted by his power, and on Earth enslaved the people of China He is the soul reason why scott had the weaknesses of wood the Guardians gave his ring that weaknesses so humans can hurt him he fled Earth and merged with his power battery in the upper atmosphere. The battery then collided with a fragment of the Starheart, which was also merged with it.The end result was a single lantern , with a unique weakness and a magic that blocked most of its original functions then Alan Got the power Alan Scott is the first HUMAN green Lantern ALAN SCOTT IS A GREEN LANTERN he's just not apart of the green lantern corp nor do his power come from the guardians the Starheart is a magical entity once imprisoned by the Guardians. The Starheart found its way to Earth, where in 1939, in the shape of a lantern, it saved Alan from a train wreck At the Lantern's mental direction, Alan Made his own ring that he used to allow himself to use the Starheart's powers Hal jordan is the first Human to JOIN the green lantern corp Hal had been kicked out of the military for assaulting an officer, and was reduced to an engineer He was then abducted by a dying Abin Sur he Became green lantern and Arguably the strongest green lantern in the corp Hope this helped you understand a bit more about the Lantern Mythos n the Lantern's of earth