A “Source” is a social media account or a hashtag from a specific social network that you want to display within your Juicer feed. For instance, if you want to display posts from your Twitter account (@YourUsername), that Twitter account is considered one source. Next, if you want to add posts from a specific Instagram hashtag (#YourHashtag), that Instagram hashtag is considered a second source for this feed. Each source takes up one slot in your “Social Media Sources” panel in Juicer. The number of Sources you can have is determined by your Juicer plan level.