He is an expert in semiotics, and his theories are very profound.

Semiotics is the study of signs and symbols used in society and culture.

What does this masu symbol mean?

This text is organized using section signs.

He has a special ability.

He is excited to learn a new programming language.

By learning the C language, you can understand the basics of programming.

He is good at learning foreign languages.

He was struggling to understand his internal language.

He finds it difficult to verbalize his emotions.