What is the difference between ignition temperature and flash point, and how do they affect the safety of a substance?

Ignition temperature is the minimum temperature at which a substance will ignite and sustain combustion, while flash point is the temperature at which a substance will produce enough vapor to ignite in the presence of an ignition source. Ignition temperature is higher than flash point. Knowing these values helps determine the potential fire hazard of a substance and allows for proper safety measures to be implemented to prevent fires and explosions.