a special display on a phone, tablet, or computer that lets you use your fingers to control it
touch screen
a way for devices like phones and computers to connect to the internet without using wires
Wi-Fi
the sound your phone makes when someone calls you. It's like a special tune or song that tells you someone wants to talk to you
ringtone
a special computer program that you can use on your phone, tablet, or computer to do different things like play games, watch videos, or learn new things
app
a small device you can carry with you to charge your phone or tablet when you don't have an outlet nearby
portable charger
a small object that stores energy and gives power to things like toys, flashlights, and phones so they can work
battery