Execution
Part of speech: noun
Definition: The act, manner or style of executing (actions, maneuvers, performances). The state of being executed (accomplished). The act of putting to death or being put to death as a penalty, or actions so associated. The carrying into effect of a court judgment, or of a will. The formal process by which a contract is made valid and put into binding effect. The carrying out of an instruction, program or program segment by a computer.
Implementation
Part of speech: noun
Definition: The process of moving an idea from concept to reality. In business, engineering and other fields, implementation refers to the building process rather than the design process.A result of implementing something; a finished product, system or device.