The abovementioned item has already sold out.

Kishiko is my best friend.

In linguistics, a signifier is considered a symbol used to convey meaning.

Ikki is my best friend.

Sueki is my best friend.

He recited an old poem from memory.

He is good at reciting ancient poems from memory.

Reading his biography, you can understand how difficult his life was.

This old document uses a lot of symbols.

He does the work of indexing every day.