The particularity (Jeweiligkeit) of the places and their manifoldness are grounded in space, and the particularity of the time points is grounded in time. That basic characteristic of the thing, that essential determination of the thingness of the thing to be this one (je dieses), is grounded in the essence of space and time. Our question "What is a thing?" includes, therefore, the questions "What is space?" and "What is time?" It is customary The particularity (Jeweiligkeit) os the places.