.then() and .await() functions are two of the most commonly used asynchronous functions in JavaScript. While they both have the same purpose of allowing code to run asynchronously, the way they are used and the way they work are very different.

notify.js is a small jQuery plugin that simplifies notification process. Despite its small size it is fully customizable notification library.

HTTP Live Streaming or HLS Player is a media streaming protocol that deliver content to the users according to their bandwidth availability. The basic building blocks of a HLS streams are M3U8 playlists.

Variable is a symbolic name or reference to an information. They provide a way of labeling data with a descriptive name and provide a way to manipulate information. In Rust, to declare a variable, you use a "let" statement.

Cargo is package manager for Rust's and its build system. Cargo is used to search for, install, and manage packages that you want to use and build them. Cargo is also the test runner, and the documentation generator.