Subjects

This section is mainly focus on things that can learn in school and from textbook, including mathematics, science and English.

Languages

This section is mainly focus on things that you can learn and communicate with the people around the world, including Chinese, Spanish and French.

This section is mainly focus on things about the culture and history around the world.

This section is mainly focus on things that you can learn and try in leisure time.

This section is mainly focus on music, including how to play music instruments and about music notes.

This section is mainly focus on coding, including javascript, html and css.