Two stage compilation. Why is this important? First of all, it's very simple to do. If you know how to use a dictionary and concatenate strings, you have most of this technique.

 >  This technique opens new doors for approaches to creating machine code,  like building custom notations ... - I think that this programming pearl should be in every programmer's toolbelt   What I’ve Learned From Forth Haiku Thus Far https://open.substack.com/pub/programmingsimplicity/p/what-ive-learned-from-forth-haiku?r=1egdky&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true