Component (a building block) — not the same thing as a radical or a sound component. · 1strokes
业个丫中丰串乔五
Kangxi radical no.2 · 1strokes — 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.
个丫中丰串临旧