The Block Editor uses Patterns, while the Classic Editor uses Page Templates.
Block Editor
Patterns
Classic Editor
Template Options
Released December 2020
Named after Harriet Beecher Stowe
Legacy Themes
Released in August 2014
Named after Roger Sherman
Released in January 2018
Replacing the Prudence theme
Named after Prudence Crandall
Released inĀ August 2015
Replacing the Hale theme
Named after Nathan Hale