Neovim is a powerful, modern, modal text editor that emphasizes keyboard-driven efficiency. Neovim includes excellent customization capabilities that tailor it to each user's specific workflows through Lua-based configuration files and plugin ecosystem.
Terminal emulators allow users to bypass slow and error-prone graphical user interfaces (GUIs), providing direct access to the command line and its benefits of speed, flexibility, and efficiency of automation through shell scripts, and an extensive set of utilities the provide precise control over a wide range of tasks, from editing text to compiling code, managing version control, and deploying applications.
Lua is a lightweight, cross-platform, high-level programming language that is often praised as a clean, simple, easy to learn scripting language that is applicable to a wide range of tasks. These features have made it an increasingly-popular embedded scripting language for terminal emulators and a wide range of applications such as Neovim.