#白 is listed under its own radical 白. My dictionary says it is a pictograph but it lists 3 different theories regarding what 白 is depicting. One is a thumb and its nail, another is a scull and the other is an acorn. I can’t picture any of them! Can you?
Anyway, the most important thing I think is that you put only one stroke inside the box. If you put 2, it becomes 自 which means “self.”
Today’s kanji is 白, which means “white”.
白菜（ハクサイ）: Chinese cabbage
白状（ハクジョウ）: a confession
白熱（ハクネツ）: white heat, incandescence
紅白（コウハク）: red and white
白（しろ）: white (noun)
白（しろ）い: white (i-adjective)
白々（しらじら）しいうそ: a shameless lie