Can you group elements together?

In Claro you can create a Layer and have it shown when the learner clicks a button or carries out almost any other action.

Here's a link to an overview of Working with Layers in Claro.

Here's quick lesson on Adding a new Layer to a Claro Page.

And here's a lesson on Setting a button to Show a Layer in Claro.

In Flow, Layers aren't available because the page structure is different and doesn't have a stacking order.

But there are some other options available for this sort of approach.

We have a Pop Up feature available in both Claro and Flow, which lets you trigger an alert box as a modal window over top of the page. You can pick from several different styles and page locations. Here's a lesson on using that feature.

We have a Show Lightbox feature available in both Claro and Flow. It lets you display images in a modal window over the page. It's available on the Hides and Shows options on the Actions panel.

And in Flow alone we have Target Pages - you can make a full Flow page (as complex as you want) and have it shown in a modal window over the page.

Hope this helps!