Difference between silverlight tools, silverlight SDK, silverlight toolkit, silverlight development tools

Question

I'm installing a programming environment for Silverlight and trying to straighten out what needs to be installed, feedback is appreciated:

1. At http://silverlight.net/GetStarted, point number one allows you to install "Silverlight Tools for Visual Studio 2008 SP1". The book (Silverlight 2, Wiley) that I am reading seems to refer to this as the "Silverlight SDK".

2. Also at http://silverlight.net/GetStarted, point number four allows you to install "Silverlight Toolkit" which my book refers to as "Silverlight Development Tools".

So the way I understand it, there are only 2 things to install, the names just seem to not be consistent. Or are there really 3 or 4 different things to install?

Answer 1

You're correct: - the first one refers to the actual SDK (along with documentation, Visual Studio templates and examples). You must install this one in order to develop a Silverlight 2 web application. - the second one is a collection of controls and classes already coded and ready to be used in any Silverlight 2 web application. This one is not required but you can find it very useful since it's a community project, constantly mantained and updated with new features.