Contain
* Verb: To hold or enclose something within itself.
* *The box contains a toy.*
* *The bottle contains water.*
Content
* Noun: The things that are held within something.
* *The content of the box is a toy.*
* *The content of the bottle is water.*
In short:
* Contain describes the action of holding or enclosing something.
* Content describes the things that are held or enclosed.
Example:
* "The box contains a toy." (The box is holding the toy)
* "The content of the box is a toy." (The toy is what's inside the box)
Other nuances:
* Content can also be used to describe the meaning or subject matter of something, like a book, a movie, or a speech.
* Contain can also be used in a figurative sense to mean "to include" or "to encompass." For example, "The lecture contained a lot of useful information."
Remember:
* "Contain" is an action word.
* "Content" is a noun referring to the things or information held within.