Push User Manual
You can read about Push 2 and 1 in Live's online manual.
You can also access the manual in your Live installation as a PDF. To open it, launch Live and go to: Help → Read the Live Manual...
You can also download a PDF version of the manual below.
Live 11
Live 11 manual (including Push) in English, Deutsch, 日本語, Español, Français, Italiano, 简体中文