The overall site navigation menus and use of text and graphics have to be very much limited in every business template. If you use too much text the visitors will feel lethargy to read. At the same time excessive graphics to make the site standout in the crowd is no use if the visitors do not get the clear idea about your website. The navigation menus have to be bold and attractive to the visitors. The overall site needs to be user_friendly.
The Details are important _ Pay special attention to the details. They affect your readers very much. Details like alignment of the texts and the number of lines which your paragraphs include, can make readers bored or can interest them. Try not to make your paragraphs longer than 3 or 4 lines. When your paragraphs are short, people will read them easily. But if they are long, it will seem overwhelming to people. The colors you use in your newsletter design is important as well. So you should know a little about colors psychology. It's not hard. You must already know about the effect of every color on people, before designing or choosing your newsletter template.