If you don't understand something, ask. Remember, you are the customer. If you can't get a straight answer, or the person is impatient, you probably don't want to work with them anyway. Each videographer usually has a style of his own. If a package isn't exactly what you want, see if you can get what you want.
Packages are generally just something the seller has put together to make it easier to shop.
You should be able to negotiate any changes you desire. Or if you are happy with a package, then go for it. Know your budget. Decide what is most important. Then make your choice.