First you will need to create your template.
To create a Card using that template, press the plus icon on the sidebar menu and select "Card".
Category: Select the Category (ie Location, Talent, Story, Project, Crew, etc) for your new Card.
Template: If there are templates created for that Category, the Template drop-down menu will appear. Select your desired Template.
Name: Enter a name or title for your Card.
Access: Select who can access the Card (ie only you, everyone in the Project, or members of a specific vault). To learn more about vaults, click here.
Click "Add & Open" or "Add".
Your new Card is created.