Here is your journals interface. Click the blue/green plus button in the bottom-right corner to create a journal. 

Recurring journals are an optional functionality to auto-populate those tasks that you do on a recurring basis, e.g. weekly client calls, team meetings, email admin.

Set up as many recurring journals as you’d like to cover things like email management, regularly scheduled client calls, weekly team meetings. Remember to edit the time if the event differs from the pre-set time!