It is science that has told us that the sub-microscopic domain exists, and in general semantics the parabola represents that domain.
2.
The word " steak ", at a lower verbal order, may imply " something to eat " at a higher verbal order, but in the sub-microscopic domain, a particular steak may be contaminated with poisons created by harmful bacteria that we could see only on microscopic levels.
3.
As the magnetic field in a given area of the iron wire changed as it moved through the detector, the microscopic domain walls between magnetic domains in the iron moved in a series of jerks, as they got hung up on defects in the iron crystal lattice, then pulled free.