[greeneyes]

Chinese Charms -- Hidden Meaning of Symbols primaltrek.com/impliedmeaning.html A picture of a bottle or vase can represent the meaning of "peace" or "safety" because both the character for vase (ping 瓶) and that for peace (ping an 平安) are pronounced ping. A vase ( ping 瓶) with flowers from all four seasons ( siji 四季) conveys the hidden meaning of peace for all the year ( sijipingan 四 季 平 安) . primaltrek.com/impliedmeaning.html

[greeneyes]

http://primaltrek.com/impliedmeaning.html

[LadyDoc]

you are correct: A vase in China is a symbol of peace. Chiness symbols

As 平 píng ‘peace’ sounds the same, the gift of a vase symbolizes a wish for peace. A rare and precious vase 宝瓶 bǎo píng sounds the same as 保平 bǎo píng ‘ensure peace

so did Trump know about Chinese symbolism when he tweeted this?