Use the Make Component dialog to create a component and save it in the computer.
Use the Insert Component dialog to add an already existing component to your document.
This dialogs will be described above:
1. Make Component
To display this dialog, right click on an item in the Navigation bar and select Make Component.
Here you can insert the path and the name for the component you want to create.
Note that components have an ".xfc" extension.

2. Insert Component
To display this dialog, go to Text group under Insert tab and press on the Component button.

The file that contains the component has the ".xfc" extension.
Here you can type the component`s path or browse for it in the computer.