Component (a building block) — not the same thing as a radical or a sound component. · 5strokes
伯卑帕拍百皂的迫
Kangxi radical no.106 · 5strokes — The 214 Kangxi radicals
Filed under it in a dictionary. That is a lookup convention — it does not mean it is the only part the character is built from.
白百皂的皆皇