This is an automatically translated description

Everything stands on something and is connected to something. A flower in a vase, which is on a table, which is on the floor, which is "held" by a ceiling, which rests on a foundation, which is firmly embedded in the ground and "attached" to the planet Earth, which, in turn, is held by an even larger celestial body - the Sun, and so on, up to various planetary systems and galaxies. And just as in the physical world you can always find something bigger to which something smaller will be "attached" (or vice versa), so in the mental world, the one in which various memes (thoughts, ideas, memories, fantasies, etc.) live and gather, you can find something that is the basis for something. I propose to call such foundations platforms. They, in turn, can be of different levels, because any platform (a vase) is based on another platform (a table) and is at the same time a platform for something else (a flower).