Cortana, the intelligent personal assistant baked into Windows 10, delivers information the users through small modules, commonly referred to as information cards.
Cortana's information cards cover a wide range of topics such as finance, sports, news, and traveling, and each of them can be tailored to meet specific needs. Furthermore, users can get more relevant suggestions by turning off the cards they don’t really need.
How To Manage Cortana Cards
You'll find the information cards in Cortana's Notebook, just below the Settings menu:
Select the card you'd like disable (e.g. Meetings & reminders) and turn it Off: