While the whole Tinder thing may seem like such a basic concept (swipe right or left,) it has a feature that the basic (topromp.com)
It is not appropriate for officers to learn, during cross-examination in a trial, of such a basic concept as the need to wait 15 to 20 minutes following the consumption of alcohol before testing a motorist on an approved screening device to avoid an unreliable result. (bestimpaireddefence.ca)
And mastering such basic concepts as long division builds students» confidence to tackle higher - level math and science. (sciencemag.org)