Data such as sales transactions and prescriptions can be received from stores at any specified frequency: every minute, once a day, once a week
Data can be directed down to the stores, e.g. details about new products, new pricing, upcoming promotional pricing, new product classifications
Product information such as availability of stock can be shared between stores in the group. For instance, if one store has insufficient stock, staff can check on available stock in neighbouring stores. All these shared features are subject to permissions and security