Hauptzeichen
Hauptzeichen is a German term that can be translated roughly as “main sign” and is sometimes used to refer to the principal set of characters in a script, particularly the uppercase letters of a Latin-based alphabet. In modern typography and everyday usage the term is largely superseded by the standard term Großbuchstabe (uppercase letter). Nevertheless, the historical and technical sense remains recognizable in older texts and in some typographic discussions.
Historically, the concept reflects the separation of a typeface’s character set into two main groups: uppercase
Usage and context today vary. In German orthography, capitalization rules are central: all nouns are capitalized,