Enter the exciting world of content management ;)
Seriously, if you have a large project, with lot's of information, texts and media, you might want to manage that in a less painful way than using folders and XML files. Maybe you even want the texts to be pre-rendered. And i guess you want a safe and simple interface for your customer to let them enter the information themselves.
Then you probably fancy a content management system like this. Get a coffee or two and check out the introduction video.
500,-€ (excl. VAT)