Pathways for Core FirstĀ® is a free learning guide for our TD Snap Core FirstĀ® communication app to help caregivers, educators, therapists and communication partners achieve their goals. It features intuitive video examples, lesson plans, an interactive goals grid for tracking progress and addressing behavioral challenges, and a suite of supporting digital and printable materials to help you along the way. With Pathways, you'll have an expert guide to help you get the most out of TD Snap Core First.