To see how all of these pieces work together to create an application, let's start by creating our data store for the Task Manager application. Save the new file you have opened as
TaskList and let's get to work on adding some components.
To add a component to the project, we need to drag the component from the toolbox and drop it on the project or onto the proper section of the project inspector. For our first component, let's choose a plain data store.
From Toolbox, select Data, and then click on Store and drag it onto our iPhone in the design area. You should now see a store called MyStore appear in the Property Inspector under the Stores list:
You will also notice that there is a red ...