Ignition
Ignition means to burn. Fire is an essential tool in human society. Many techniques are used to make fire which is also called fire making or firecraft etc. ignition by friction is a basic and old technique to make fire.
Combustion
Combustion is a chemical process in which heat is produced and used in some chemical process. Combustion is done by reaction between a fuel and an oxidant. The resulting heat can produce flame.
Detonation
Detonation is a type of explosion occurs in solid, liquids and gases. It produces a supersonic shock wave which propagate in front of it. The detonation velocity in solid and liquid explosion is greater then gases.
Explosion
If volume is increased rapidly and energy releases in an extreme manner due to generation of high temperature, than explosion will occur. It produces a shock wave.