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

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.

His first choice of school is the University of Tokyo.

Watching a movie alone is enjoyable.

I went to see a movie by myself.

The first day of the month is the beginning of a new month.