I had the gravest suspicions about the whole enterprise. 1 A merchant is a person who buys or sells goods in large quantities, especially someone who imports and exports goods. If you pinpoint something, you discover or explain exactly what it is. In their book, Jackson and Marsden pinpointed the difference. If you pinpoint the position of something, you indicate its exact position.
Talent is the natural ability to do something well.
Your work shows a lot of talent. Rudolph had a talent for music. If you confirm something, you say that it is true. If something makes an impact on a situation or person, it has a strong effect on them. British authors make relatively little impact abroad.