What does this shape represent?

He roughly carved the wood into shape.

His tone of speech is very unique.

He was showered with jeers.

He underwent vocal cord surgery.

He practices vocalization every day.

He practices every day to pronounce accurately.

This book explains in detail how to use the 'Kyūjitai form of 声門' in old Japanese.

We sent our full support to his match.

A big support was sent from his friends for his match.