Are all items pages in a Sitecore project?
No, items that are pages have their presentation details set.
Yes
What happens when Sitecore receives a request?
It gets mapped to an item. Once you assign an item presentation details it becomes a page then the item can be rendered to browser.
Similar life cycle when compared to a web page
Both
None
You have a component that you want cached on every Event Details page. Where would you define its cache settings?
On the Layout
On the component on the Event Details Template Standard Values item.
What is template manager?
A place where you can create templates along with content editor
A place where you can store images
A place where you can store indexes