This is the 3605th most frequent Russian word.
содержится
"Содержится" means "is contained" or "is included."
The verb 'содержится' here means 'is contained' or 'is included', referring to the information present in the book.
В книге содержится много полезной информации.
The book contains a lot of useful information.
'Содержится' is used to describe what the soup includes, specifically referring to vitamins found in it.
В этом супе содержится большое количество витаминов.
This soup contains a large amount of vitamins.
This usage of 'содержится' relates to the presence of a specific clause in the agreement.