Hidden in plain sight phrase
Used to describe something that is put in a place that is clearly visible
My favorite toy was hidden in plain sight, but I can't find it now.
To become important or obvious
The notion of "hiding in plain sight" originally developed in the 1600s as a military tactic that posited that soldiers could occupy any space on the open battlefield as long as they remained out of the line of view of their enemies. As weapons technology advanced and combat evolved beyond rank-and-file fighting, the concept expanded to include early forms of camouflage.
To talk the main part at once, or avoid talking about what is not important
You should get straight to the point.