Radical 黑
12 strokes
windowpane
(671b) + earth 土 (54a) + fire 灬 (185a) = black 黑
The top part of this is often handwritten 里 (“in”, Character 157), where the “horns” are replaced by a single horizontal stroke.
[黑板 (333) hēibǎn blackboard]
[黑市 (427) hēishì black market]
[黑白 (22) hēibái black and white; right and wrong]

You throw earth at the upstairs window-pane to alert the occupants that their house is on fire— they run out unharmed but they’re black with soot. / The giant lets them stay in his hayloft while their house is rebuilt.