How to use "conduct/ execute/ implement/perform/fulfill/process"?

+ Conduct : policy , behavior, inspection.

+ Implement: project, plan, policy.

+ Perform/ Execute: a contract, an order.

+ Execute: somebody's commands
+ Execute: a plan, a will.

+ Process a contract.
+ Perform contract obligations/ commitment
+ Fulfil/ follow through.: commitment/ obligations
+Fulfill : a dream/ an idea