Now we're ready to create our mapping. The mapping will associate our CSV file's columns of content and data with the custom fields we've added to our content type. Here we'll tell the Feeds module and our importer which fields to add our imported content to during the import process.
To get started with your mapping click on the Mapping link in the Node processor tab on your Importer configuration screen. The mapping screen will load. This screen shows a table that has the following columns:
SOURCE: This is the name of your source column in the CSV—use the header label here.
TARGET: This is the custom field you want to map the source to in your content type.
UNIQUE TARGET: This checkbox allows you to set a unique target. Generally this will be available for your GUID and Title fields.
Remove checkboxes: This allows you to remove any of the added mapped rows if you need to.
If you scroll down to the bottom of the mapping screen, you'll see a fieldset called Legend. If you...