I specififcally wrote "my terminal", not "a Terminal". I am well aware, and supportive, of the need to encode the entirety of human script and written symbolic

I specififcally wrote "my terminal", not "a Terminal". I am well aware, and supportive, of the need to encode the entirety of human script and written symbolics in a unified format. And the reason why my terminal doesn't need anything beyond basic modifying diacritic marks and single-codepoint symbols (like blocks and line characters for text-user-interfaces) is because I do not use it to write prose is a variety of languages, I use it to communicate with a machine, administrating systems, designing backend software, and analysing machine-written logfiles.