"Orange" sounds "sincere" and "Zi" means "you", so giving oranges on Christmas Eve means being sincere to you.
Sending oranges on Christmas Eve means that all your wishes will come true. One orange means successful career, two oranges mean two people in pairs, and three oranges mean that you will meet your career and love when you go up a flight of stairs.
The significance of sending fruit on Christmas Eve
Send apples on Christmas Eve to show that I love you! Sending bananas on Christmas Eve means I miss you!
Send oranges on Christmas Eve to show that I love you! Send oranges on Christmas Eve to show that I love you!
Send peaches on Christmas Eve → chase you on my behalf! Send plums on Christmas Eve to show that I hate you!
Send persimmons on Christmas Eve → I beg you for me! Litchi on Christmas Eve → means I am afraid of you!
Send longan to Christmas Eve → On behalf of me, I am angry with you! Send watermelons on Christmas Eve → Step on you on my behalf!
Send coconuts on Christmas Eve → It means I'm bothering you! Send pears to Christmas Eve → on behalf of me!
Send a raisin on Christmas Eve → tease you on my behalf! Send lemons to Christmas Eve → On behalf of me, I am angry with you!
Send durian on Christmas Eve → On behalf of me, you stink! Send pomegranate to Christmas Eve → On behalf of me, I dare you!
Sending oranges on Christmas Eve means I'm afraid of you! Send pineapples to Christmas Eve → Send you canned food on my behalf!
Send honeydew melon on Christmas Eve → kiss you on my behalf! Send carambola on Christmas Eve → marry you on my behalf!
Send green dates on Christmas Eve → dump you on my behalf!