Picking real targets from false targets and clutter is still down to operators.
Magazines are the only thing in my apartment that qualify as clutter.
The real, true, unguarded details tend to cut through the clutter.
1550s, "to collect in heaps," variant of clotern "to form clots, to heap on" (c.1400); related to clot (n.). Sense of "to litter" is first recorded 1660s. Related: Cluttered; cluttering.
1570s, "things lying in heaps or confusion," from clutter (v.); the "litter" sense is from 1660s.