ya, we should add descriptions. Mind opening an issue? https://github.com/emberjs/website/issues/new https://github.com/emberjs/website/issues/new As for the

ya, we should add descriptions. Mind opening an issue? https://github.com/emberjs/website/issues/new https://github.com/emberjs/website/issues/new As for the question: Ember is actually built from many smaller pieces, such as: - container - ember-metal - ember-runtime - ember-views - ember-handlebars - ember-routing - ember-application - ember - ember-extension-support - ember-testing - rsvp As it turns out, you do not always need everything, so building the subset that you need totally works. ember-runtime is made of up: ember-metal and ember-runtime https://github.com/emberjs/ember.js/blob/master/ember-dev.yml#L7 https://github.com/emberjs/ember.js/blob/master/ember-dev.ym... It provides underlying foundation, including the object model and the KVO system to the rest of ember. Leaving out views, application, routing, and many more high level ideas.