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Enterprise Resource Planning (ERP) is is business management software—typically a suite of integrated applications—that a company can use to collect, store, manage and interpret data from many business activities, including:

    Product planning, cost
    Manufacturing or service delivery
    Marketing and sales
    Inventory management
    Shipping and payment

ERP provides an integrated view of core business processes, often in real-time, using common databases maintained by a database management system. ERP systems track business resources,cash, raw materials, production capacity—and the status of business commitments: orders, purchase orders, and payroll. The applications that make up the system share data across the various departments (manufacturing, purchasing, sales, accounting, etc.) that provide the data.

E-commerce (also written as e-Commerce, eCommerce or similar variants), short for electronic commerce, is trading in products or services using computer networks, such as the Internet. Electronic commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems. Modern electronic commerce typically uses the World Wide Web for at least one part of the transaction's life cycle, although it may also use other technologies such as e-mail.
E-commerce businesses may employ some or all of the following:

• Online shopping web sites for retail sales direct to consumers
• Providing or participating in online marketplaces, which process third-party business-to-consumer or consumer-to-consumer sales
• Business-to-business buying and selling
• Gathering and using demographic data through web contacts and social media
• Business-to-business electronic data interchange
• Marketing to prospective and established customers by e-mail or fax (for example, with newsletters)
• Engaging in pretail for launching new products and services

Electronic business, or e-business, is the application of information and communication technologies (ICT) in support of all the activities of business. Commerce constitutes the exchange of products and services between businesses, groups and individuals and can be seen as one of the essential activities of any business. Electronic commerce focuses on the use of ICT to enable the external activities and relationships of the business with individuals, groups and other businesses or e business refers to business with help of internet i.e. doing business with the help of internet network. The term "e-business" was coined by IBM's marketing and Internet team in 1996.

Over The Top is a technology on used to approaching and modeling for video and audio streaming,messaging,and social networking, using internet provider connection based on mobile. OTT running on application layer,the highest layer on TCP/OP model or OSI. (I Putu Agus Eka Pratama, S.T.,M.T.)
In broadcasting, over-the-top content (OTT) refers to delivery of audio, video, and other media over the Internet without the involvement of a multiple-system operator in the control or distribution of the content. The Internet provider may be aware of the contents of the Internet Protocol packets but is not responsible for, nor able to control, the viewing abilities, copyrights, and/or other redistribution of the content.