Problem: Sentence1: Snap a football.
Sentence2: The lock snapped shut.
Q: Does the term snap mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Life depends on many chemical and physical processes.
Sentence2: The battery had a short life.
Q: Does the term life mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: They improve their product every year; they export most of their agricultural production.
Sentence2: They hope to increase spaghetti production next year.
Q: Does the term production mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: The horse refuses to back.
Sentence2: The wind backed.
Q: Does the term back mean the same thing in both these sentences?

Answer:
the same meaning