on. [General Dictionaries] 
n., A process of imitation, which is a frequent feature accompanying competition. Customs, buildings, and artifacts in one society
 may be adopted by neighbouring ones through imitation, which is often competitive in nature. [Sciences] 
n., Moving the information to new hardware but with a additional software component which emulates the old hardware, thus
allowing execution of the old application software. [Archives] 
n., When one system performs in exactly the same way as anoth