The term observable when used in the context of the observable universe doesn't necessarily mean something we can actually measure or look at, but rather that w

The term observable when used in the context of the observable universe doesn't necessarily mean something we can actually measure or look at, but rather that which could theoretically have interacted with anything we could interact with based on the speed of light, the age of the universe, and cosmic expansion. Think of it as a bubble of time and everything outside of it hasn't happened yet.