Vietnam has a lower cost of living and thus generally can offer more affordable website project services. However, the market is not yet mature and it's important to know about the general cost of a project to pick a reliable service provider.
You have made a big investment in your website project, now that it's been launched your job is done and you can now celebrate? Perhaps, for a short amount of time. The website design and development project is just the start of a long journey, if you want to make the most out of your well spent time and money, you have to keep working on your website.
Knowing the general terms will help you to understand better your website and the process behind it. Once you discover the difference between these elements and their role, you will be able to make your way around the web in an easier way.