When you don't have any extra keys for home, arrows, etc., caps is needed for the layer to use those keys. Though I use ctrl right next to spacebar on windows

When you don't have any extra keys for home, arrows, etc., caps is needed for the layer to use those keys. Though I use ctrl right next to spacebar on windows so it is the same as mac win, alt, ctrl, spacebar, ctrl, alt Using thumb for ctrl is even better than pinkey