<p>A brief introduction to Marionette’s reqres ( request-response ) and commands would be that they are application (or module) level event aggregators that either return a value or cause an action to happen. Both provide similar api to execute and set handlers:</p> <p><a href='/blog/post/marionette-plain-object-over-reqres-commands-above-all' title='Marionette: plain object over reqres, commands above all!' class='button--bg-white button--small button--inline button--no-margin'>Read more</a></p>