difference between implement and execute
1. What is the difference between implement and execute?

2. ......violation of this principle can result in stiff penalties.
What does "stiff" mean here? I looked up the dictionary. It looks like none of those explanations works here.

Thanks.

Question

difference between implement and execute
1. What is the difference between implement and execute?

2. ......violation of this principle can result in stiff penalties.
    What does "stiff" mean here? I looked up the dictionary. It looks like none of those explanations works here.

Thanks.

Answer

1 Implement/execute - are synonyms "We implemented/executed the new marketing strategy"
Note "to execute" also has a further meaning of "to carry out a sentence of death".
2. "Stiff" - severe, harsh, high penalty. "The court imposed a stiff fine on him for driving while drunk"