-runtime. Data storage and computation can be done in <a href="https://www.defmacro.org/ramblings/lisp.html">Lisp</a>. Emacs
-provides text buffers that can be used to build GUI.
+runtime. Data storage and computation can be done in <a href="https://www.defmacro.org/ramblings/lisp.html">Lisp</a>. Domain
+specific languages to fit particular problem could be developed as
+needed and Emacs extended to support those languages. Emacs provides
+text buffers that can be used to build user interfaces.