Casement windows hinge at the side to catch breezes, widening for ventilation, easy cleaning, and egress
https://wool-wiki.win/index.php/10_Meetups_About_Exterior_Door_With_Window_You_Should_Attend
Casement windows hinge at the side to catch breezes, opening wide for ventilation, easy cleaning, and egress, with compression seals that enhance energy performance.