"To imagine the world" means to create or form mental pictures or ideas about how things could be in the world, using our imagination and creativity. It refers to envisioning different possibilities, scenarios, or a better future. Full definition
Just imagine a world where everything is made with love. (trinityskitchen.com)
For me the idea that if I had carried my angel to term my rainbow would not be here and I just can't imagine a world without him. (pregnancyafterlosssupport.com)
I love book shops and can't imagine a world without them. (blog.reedsy.com)