Different meanings

 Continual = start and stop/come and go.

Whereas : continuous = is nonstop

Examples : continuous snow = means it will never rain

Continuous rain = you will never see sunshine.

Attention ! continual and continuous are like twins who aren't really identical.

Differences

 What makes some people different?

Citizenship

 What does the word mean to you? Define one's rights and duties.

Eternal

 What can you define as  long-lasting identities of a country?

Incident

Several days ago, Michel Zecler, a famous rap artist, was beaten up by several police officers in front of his studio in Paris for no reason, apart from his skin color, black.
Have you heard of it? What do you think?

Identity

 How do you define one's identity?

Exchanges

 What is exchange? Show that is is important in our private and public lives.