xwininfo Window id 0x3c the root window has no name Root window id 0x3

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xwininfo: Window id: 0x3c (the root window) (has no name)
Root window id: 0x3c (the root window) (has no name)
Parent window id: 0x0 (none)
6 children:
0xa00001 "LCB": ("LCB" "LCB") 300x800+0+0 +0+0
0xa00000 (has no name): () 123x456+-77+-777 +-77+-777
0xc00002 (has no name): () 600x800+0+0 +0+0
0x800005 "EWL_WINDOW": ("EWL_WINDOW" "EWLWindow") 600x800+0+0 +0+0
0x800001 "dummy title": ("dummy name" "dummy class") 1x1+0+0 +0+0
0x800000 (has no name): () 123x456+-77+-777 +-77+-777