Links let you link any object (Event, Email, ToDo, Note, Contact, Document, Spreadsheet, Song, Website) to any other object.
This makes it really easy to find related things. For example you might want to link a shopping list to a reminder to go grocery shopping, or emails related to a meeting to a specific event in your calendar. The possibilities are endles
It's really easy to create links. There are three simple ways.
1. You can simply drag any object on to another object.
2. You can click in the links section of an object and select from a list of suggestions or you can search for a specfic object that you want to link.
3. You can automatically create links using the action buttons. For example you can automatically crate a ToDo or Event from an Email