A strong point, merit, or advantage of a person or thing; the opposite of a shortcoming.
面接で自分の長所を具体的に話した。
I talked about my strengths concretely in the interview.
彼の長所は粘り強さだ。
His strong point is persistence.
この商品の長所と短所を比較してから買おう。
Let's compare this product's strengths and weaknesses before buying.