How do you wire two GFCI outlets?

Quote from the video:
Quote from Youtube video: The terminal that are marked load these devices offer the option of either wrapping leads around the terminal screws or using an external back wire clamp. Begin by identifying cables.

Do you hook up GFCI to load or line?

Quote from the video:
Quote from Youtube video: Your hot wire to the hot side and the neutral wire to the neutral. Side. But when it comes to actually hooking up the wire. Line means on the gfci.