Control Center gives you instant access to the things you do most. You can use Control Center to quickly take a picture, turn on Wi-Fi, control your Apple TV, and more.
Use Center Stage on your iPad or Studio Display - Apple Support
Use iPad as a second display - Apple Support, support per pc apple
How to Disable the Control Center on the iPad Lock Screen
Access features from the iPad Lock Screen - Apple Support
Find your apps in App Library on iPad - Apple Support
Turn on or schedule a Focus on iPad - Apple Support (CA)
Control access to information on the iPad Lock Screen - Apple Support
Send and reply to messages on iPad - Apple Support (CA)
Get to know Dark Mode - Apple Support
Can't Open Control Center from Lock Screen on iPad or iPhone