What are the 7 gifts of the Holy Spirit according to Catholic belief, and how do they manifest in the lives of believers?

The 7 gifts of the Holy Spirit in Catholic belief are wisdom, understanding, counsel, fortitude, knowledge, piety, and fear of the Lord. These gifts manifest in believers' lives by guiding them to make wise decisions, comprehend spiritual truths, seek advice, have courage in difficult situations, acquire knowledge, show reverence for God, and have a deep respect for His power and authority.