Content or contents?

Content and contents are nouns.

Content as a singular noun is uncountable. It means the ideas that are contained in a piece of writing or a film or a speech:

This film has adult content; it is not suitable for children.

His speech was very flowery, but it lacked content and was quite superficial.

Content can also mean the amount of a particular substance contained in something:

These hamburgers have a high fat content; they’re not good for you.

The contents of a book is the list of chapters or articles or parts that are in the book, with the number of the page they begin on:

If you look at the contents, you’ll see there’s a chapter on Japanese folk music.

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