You'd like to save a Vocabulary Set in Clicker Communicator for iPad.

Resolution

To ensure you have the latest Clicker Communicator, please check for updates:

https://support.apple.com/HT202180

New files

When you create a new Vocabulary Set, it's stored in the Communicator folder on your iPad.

Any changes you make are saved automatically, so you don't need to worry about saving! 

Manage files

You can manage your Vocabulary Sets using the Apple Files app:

https://support.apple.com/HT206481