CLAUDE.md names the older words that the glossary replaced

CLAUDE.md stays dense, because it loads in every session. It now says
which of its words the code text and the documents replace: the reader
is the user, a popup is a dialog, a frame on the stack is a screen on the
stack, and a truncated key is a key prefix.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

CLAUDE.md

@@ -28,7 +28,10 @@ that STE does not use (dashes, semicolons, contractions, Latin abbreviations).
 
 These texts are not in STE: the legal text, the written pages in `meshterm/assets/pages/`,
 the code of conduct, the fixed description of MeshTerm, the UX strings (they follow the UX
-standards below), and this file.
+standards below), and this file. This file stays dense on purpose, because it loads in
+every session. It keeps some older words that the glossary replaced: in code text and
+documents, "the reader" is **the user**, "popup" is **dialog**, "a frame on the stack" is
+**a screen on the stack**, and a truncated key is a **key prefix**, never a hash.
 
 ## Licensing — what every file and every build carries