Speech recognition (SR) is the inter-disciplinary sub-field of computational linguistics that develops methodologies and technologies that enables the recognition and translation of spoken language into text by computers.

It is also known as "automatic speech recognition" (ASR), "computer speech recognition", or just "speech to text" (STT).

It incorporates knowledge and research in the linguistics, computer science, and electrical engineering fields.

A text editor is a type of program used for editing plain text files.

Such programs are sometimes known as "notepad" software, following the Microsoft Notepad.

In computing, a web application or web app is a client–server software application in which the client (or user interface) runs in a web browser.

Common web applications include webmail, online retail sales, online auctions, wikis, instant messaging services and many other functions.

Educational technology is defined by the Association for Educational Communications and Technology as "the study and ethical practice of facilitating learning and improving performance by creating, using, and managing appropriate technological processes and resources".

Free software, freedom-respecting software, or software libre is computer software distributed under terms that allow the software users to run the software for any purpose as well as to study, change, and distribute the software and any adapted versions.

Free software is a matter of liberty, not price: users, individually or collectively, are free to do what they want with it, including the freedom to redistribute the software free of charge, or to sell it, or charge for related services such as support or warranty for profit.