WHOLE CHARACTER
表biǎo
outside; surface (表面); to show; to express (表示); a watch (手表); a form; table (表格); a cousin (表哥)
表 is the outside — surfaces, watches, forms, and showing what you feel.
ZDIC: 会意, 从毛、从衣 — the classic picture is fur worn on the outside of clothes.
TOP PIECE (毛, HAIR/FUR)
毛máo
hair; fur
A standalone character; named by ZDIC as a piece in 笔 and 表.
In 表: top piece (毛, hair/fur) Shown with its documented or clearly limited role.
BOTTOM PIECE (衣)
衣yī
clothes
A standalone character; named by ZDIC as a piece in 表.
In 表: bottom piece (衣) Shown with its documented or clearly limited role.