Meaning : An elaborate and systematic plan of action.
Synonyms : strategy
Meaning : A group of independent but interrelated elements comprising a unified whole.
Example :
A vast system of production and distribution and consumption keep the country going.
Synonyms : system
Meaning : An internal representation of the world. An organization of concepts and actions that can be revised by new information about the world.
Synonyms : schema
Scheme ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Scheme ka matlab kya hota hai?