Component (a building block) — not the same thing as a radical or a sound component. · 4strokes
旦旧旨早旬旭旱时
Kangxi radical no.72 · 4strokes — 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.
日旦旨早旬旭旱时