Life is an accumulation of events, relationships, people and places, but it is all memorialized by stuff.
As you look around, you see things you would be hard pressed to replace, things that would be impossible to duplicate, and you become aware there is a myriad of things you don't even remember or know would now be lost to you.
When they come pounding on the door, telling you it's time to go, you realize the un-importance, the futility, the minuscule value of all your stuff. You come face to face with all you have infused with meaning.
It has been said, there is no meaning in reality; only what we bring to it. Your life possibly being threatened, brings that into clear, unobstructed view.
What's clear, what's real, what's meaningful, is what's always been real and meaningful. Only this moment.