Scintillation, luminescence, Fluorescence & Phosphorescence

All these three are used in instrumentation engineering. But is this all are the same, what is the relation, similarity or difference between these processes.

florescence means absorbing energy in some higher energy or higher frequency band end emit in lower band.

luminescence is the type radiation from a cold body. here the excitation of the molecules must be by some other method than heating.

Scintillation is when the material is excited by some radiation and give out some emission in lower band(visible range)