A Syndication Channel represents a topic to which you can assign a page that you plan to make available to other sites. Importing sites can then choose to import only the specific channels (topics) that are of interest to them.
Syndication Channels are similar to Interests and are created in the Interest Categories application. Like Interest Categories, you can create Syndication Channels as Top Level only or create hierarchies of Channels.
After you create a Syndication Channel, it will appear in the Interest Categories list, marked by a unique symbol. Note, however, that Syndication Channels will not appear to your constituents, nor will they appear in any administrative Interest Lists. They will only appear when you are designating PageBuilder pages for syndication or when an importing site is choosing the channels it would like to import.