Is this sentence correctly punctuated?... "First I will start with my likes."

The english language has the largest vocabulary of any language in existence. it has close to a million words! the english language is also the most widely used language in the world. close to a billion speakers, at least half of which speak english as a second or foreign language. this unit takes you on a brief tour of the history of english, showing you how the language moved from its obscure beginnings to its celebrated status as the first truly global language. what is the main idea in the text?

Metonymy is best defined as a figure of speech in which

Treatment of inconcitinence can include fluroquinolones surgery macrolides alpha-blockers