Clips is a free app for making fun videos to share. With a few taps you can create vertical and horizontal videos with immersive camera effects, artistic filters, dynamic music, animated text, emoji, stickers, and more.
iMovie is a video editing software application developed by Apple. Features include options to modify and enhance video colour settings, crop and rotate video clips, stabilize shaky videos, add video transitions, and change the speed of clips
Keynote is Apple's presentation tool. Users can create slideshows that include images (from the device's camera roll), text, and charts, and they can select themes, fonts, styles, transitions, and animation from a range of options.
Pages is a word processor that lets you create documents, and comes included with most Apple devices. And with real-time collaboration, your team can work together from anywhere, whether they're on Mac, iPad, iPhone, or a PC.
You can use Quick Notes to jot down information over any app or screen on iPad.
Add handwriting, links, Safari highlights, tags etc to Quick Note so you can get to important names, numbers, and ideas easily.
When you highlight text in Safari or add a link from an app, you see a Quick Note thumbnail next time you visit the site, taking you right to what you were viewing before.
You can access all your Quick Notes in the Notes app 
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And when you make a Quick Note on your iPad, you can see the note on your iPhone and Mac, too.