It comes from the hard work of bees,foraging bees suck nectar from flowers, swallow it and store it in a honey crop, a special type of stomach which comes before the actual digestive system stomach. This nectar does not enter the bee's digestive system. As the bees swallow the nectar they add enzymes from glands opening into the mouth.
These blinds are vertical. These blinds are vertical. The definition of vertical is something at a right angle to the horizon. An example of something which would be described as standing vertical is something that is standing directly upright at a right angle to the flat ground.
There is no stupid questions. Vertical as shown in the picture is a line going up or down, horizontal is a line going side to side. Vertical is up and down, horizontal is side to side, just think of the horizon and you can remember horizontal. Just think of the Horizon.