Goods and Services Tax (GST) is an indirect tax (or consumption tax) imposed in India on the supply of goods and services.
A recurring billing system automates the process of collecting a payment and recording the sale (for your records and your customer’s).
A clothes shop or clothes store is any shop which sells items of ready-made clothing. A small shop which sells expensive or designer clothing may be called a boutique.
A supermarket is self-service shop offering a wide variety of food, beverages and household products, organized into sections.
Merchant, retailer or one who attempts to generally buy wholesale and sell later at a profit someone who buys and sells financial instruments such as stocks, bonds, derivatives, etc.