Electronic Mail or Email is a software application that enables the exchange of messages, including letters, memos, and documents, between individuals or groups via computers. It has evolved to support multimedia mail, combining text, graphics, voice, and other multimedia formats in a single message.
The term 'online' refers to being connected to a computer network, especially the Internet. This state contrasts with 'offline' and allows users to access a multitude of resources and services.
Yahoo is a prominent web services provider, well-known for its search engine that helps users find information on the World Wide Web. It also offers a plethora of other Internet services, including email and news.
