Navigate to [https://www.canva.com](https://www.canva.com/design/DAF1fUZJwlY/vwLQB4z5oawe1vP-63jMGw/edit)and open a Design.
Click "Line" from the Elements tab on the left side menu.
Click on a line to add it.
Click the "Line type" icon to choose straight or elbowed.
Click and drag the endpoints of the lines to connect them to elements in your design.