WHOLE CHARACTER
亮liàng
bright; light; shining; loud and clear (of sound); to show; to reveal; clear; plain (understood)
亮 is bright: 明亮, 天亮 'daybreak', 响亮 'loud and clear', and 亮相 'step into view'.
The source header gives no formation. The detailed entry records one old account (a 说文-based note that the shape came through 倞, with the 京 frame reshaped and reduced); it is history only. The modern shape is shown as written pieces, top to bottom.
TOP: THE DOT-AND-LINE CROWN
亠tóu
the two-stroke crown (dot over a line)
The dot-and-line crown; the written top of several characters with no general historical role claimed; each page states its own role.
In 亮: top: the dot-and-line crown Shown with its documented or clearly limited role.
UPPER MIDDLE: THE BOX PIECE — A WRITTEN PIECE ONLY, NOT TAUGHT AS THE WORD 'MOUTH' HERE
口kǒu
mouth; opening
Mouth/speech/opening clue; may also be a repeated visual element.
In 亮: upper middle: the box piece — a written piece only, not taught as the word 'mouth' here Shown with its documented or clearly limited role.
LOWER MIDDLE: THE COVER PIECE
冖mì
cover
Shown as a modern visual piece in 爱; no simplified-character historical role is invented.
In 亮: lower middle: the cover piece Shown with its documented or clearly limited role.
BOTTOM: THE BASE PIECE
几jī
small table; nearly; jǐ how many
Standalone meaning is kept separate from its role in other characters.
In 亮: bottom: the base piece Shown with its documented or clearly limited role.