CMS or Content Management System is a new way where users can modify or build the contents of the webpage. With CMS a user can also publish and update contents on the Web
E-commerce is the buying and selling of goods through Internet. The payment are made online where you can use your preferred bank credit/debit cards
and various other payment methods.
A mobile site is website which are browser based and can be previewed of the same contents as a desktop computer. The layouts are sometimes differrent due to the size of the screen
In order for your potentiol clients to be happy and learn more about your company, the easy way would be advertising through a website. All that you can offer can be spelled out for your clients to gain confidence and trust in your company.