an interactive environment
will enhance your
visitors experience
flash animation
Flash is a popular format for the creation of websites, as it provides an alternative to the currently static nature of HTML pages. With an HTML website, a visitor clicks to get a flat page, and can click to get the next page, and so on. With Flash, a designer can control these transitions in a more cinematic way. Why is this useful? If you want a website that allows an immersive experience, with animation, perhaps video and sound, games, then you are looking for a Flash website.
Unlike HTML however, Flash isn't searchable. That is, you won't be able to find your new Flash website if you type any of your keywords into Google. So the best approach to retaining 'findability' while keeping your Flash site is to create a version in both formats, and offer a choice to visitors as to which they would prefer. Another approach is to use Flash within HTML. There are many examples of Flash movies embedded into HTML pages (such as banner advertisements). You could support a long bit of text with Flash movies that act as interactive illustrations, for example.
The key to using either HTML or Flash appropriately is deciding on the purpose of your website. If you are looking to inform, with pages with a lot of text, or need to be accessibility compliant, or your website needs to be found through searching, then HTML will be the way to go. However with Flash, you could have a media rich website that is less like clicking through pages, and more of an interactive environment to give your visitors a sensory and engaging experience.