1, "Zhu" is usually common and universal, and can be used in various occasions and objects, such as happy birthday, good luck in exams and good luck in work. And "wishes from afar" are mostly used for some special occasions or people who are at a distance from themselves, such as wishing family members health and happiness and friends a pleasant journey.
2. "Wishing" is more common in oral or written expressions of blessing, which can be expressed orally, by writing letters, by sending short messages of blessing, etc. "Yaozhu" is more used in text or virtual media, such as sending blessing messages and posts through email, WeChat and social media.