"I'm gonna set up a task-scenario, so you'll have an objective to do but it'll be up to you how to do it. It's sort of like a videogame, real open world." She stops before suggesting 'it'll be fun' because ahem, professionalism in the moment. Totally.
"I'd suggest closing your eyes and counting to three while we render the locale." The kid smiles and Rebecca sets up to do what she does best. Being a code DM. Who said work isn't fun?]