Introducing a language should now include "What are the cool new things in this language?" The short list where this shines, e.g., "Go - compiles really fast and no classes". "Rust - deep safety and a novel macro system". "Python - Batteries included and easy to write."
A language also needs to include some design philosophies. Sometimes its simple: "DRY"; sometimes its the tradeoffs ordered in Zen of Python. You need to say something.
So, what's this new language do again?