The first reason is that the chair or to be more exact the chair back is probably the first piece of furniture that your eyes see when you walk into a dining room. As this is the case the look of the chair back has to be excellent because we all know that first impressions are extremely important.
Modern dining chairs come in a vast range of designs and their chair backs can be simple dynamic, artistic and sadly mundane, with this in mind the most important choice you are going to make in terms of purchasing furniture is the look of the chair back, secondary will be the colour and the material it has been constructed in, whether that be wood, steel, chrome or MDF.
Once you have decided on the range of chairs that have the perfect back as far as you are concerned then you need to look at the seat. The seat of a dining room chair is very important because it needs to be comfortable and that is because if you are having a dinner party you and your guests may be sitting on a dining room chair for several hour.