| Subject | English | Tamil |
| comp., MS | instant message | உடனடிச் செய்தி (A message sent in real time through a network to a private chat area) |
| comp., MS | instant messaging | உடனடிச் செய்தி சேவை (A method of real-time communication over the Internet in which a sender types a message to one or more recipients and the recipient immediately receives the message in a chat area) |
| comp., MS | Instant Search | உடனடித் தேடல் (A search feature associated with folders and programs that begins to display results as soon as a keyword is entered. When you enter text, files in the current view are automatically filtered to show only those that match what you typed) |