The Rotunda is a specific medieval blackletter

Blackletter

Blackletter, also known as Gothic script, Gothic minuscule, or Textura, was a script used throughout Western Europe from approximately 1150 to well into the 17th century. It continued to be used for the German language until the 20th century. Fraktur is a notable script of this type, and sometimes...

 script. It originates in Carolingian minuscule

Carolingian minuscule

Carolingian or Caroline minuscule is a script developed as a writing standard in Europe so that the Roman alphabet could be easily recognized by the literate class from one region to another. It was used in Charlemagne's empire between approximately 800 and 1200...

. Sometimes, it is not considered a blackletter script, but a script on its own. It was used mainly in southern Europe.

Characteristics

The difference between the Rotunda and other blackletter scripts is that broken bows appear only in a few letters such as d.