WHOLE CHARACTER
黄huáng
yellow (color); gold; golden (黄金); the Yellow River (黄河)
黄 is the color yellow: 黄色, 黄瓜 'cucumber', and 黄金 'gold'.
ZDIC: 象形,像蝗虫形 — the source treats the whole graph as a locust pictograph and names no components. The three-layer split (crown over box-core over leg pair) is a modern visual aid only, checked against the rendered production font.
TOP: THE CROWN PIECE WITH TWO VERTICALS BETWEEN TWO HORIZONTALS
龷gòng
a bound crown piece: two verticals between two horizontals
A written-shape label for the cross-hatched crown top (read by its common name 共字头); a visual piece, not a taught word.
In 黄: top: the crown piece with two verticals between two horizontals A bound written shape (as in 共's top); shown as strokes, not taught as a word.
MIDDLE: THE CORE, WRITTEN LIKE THE GRAPH 由
由yóu
from; through; reason
A standalone character (yóu, from; reason); where its shape appears inside another character, that page states the written role.
In 黄: middle: the core, written like the graph 由 No standalone 由 meaning is claimed here.
BOTTOM: THE PAIR OF SIDE STROKES WRITTEN LIKE 八
八bā
eight
Standalone meaning is kept separate from its role in other characters.
In 黄: bottom: the pair of side strokes written like 八 Shown with its documented or clearly limited role.