Bookmark and Favorite both means the same in computer but the only difference is Favorites is only in internet Explorer and Favorites are named as Bookmark in Web Browsers other than Internet Explorer.
The highest number of bookmarks or favorites in Google Chrome is as many as you need until the page is filled which is about 100 bookmarks.
Favorites
There's no such thing as Favorites for Firefox, instead it is called Bookmarks
bookmarks
Gmail can be put in favorites by putting it in bookmarks. Bookmarks are easy way to get to website early. You can bookmark the Gmail website on your browser.
They are called "Favorites" You have a Favorites Menu, and a Favorites bar, particularly on the newer iterations of Internet Explorer. I believe they were called Bookmarks on IE until 6.0.
Bookmarks
If you have Yahoo Toolbar installed, it will add the bookmarks. -Jesse
Yes you can transfer your bookmarks from Mozilla to Chrome. There is an option of import bookmarks for that purpose.
You don't favorite, you bookmark sites. Click bookmarks at the top, then add bookmarks.
You can keep your favorites by marking them bookmarks. Bookmark is a thing which is used to reload webpages easily.
Might be your bookmarks have got deleted. Check if your bookmarks exits into your favorites.