Comparison of elements abundance between VOD and LMC, SMC. Top: histogram distribution of elements abundance in VOD, SMC and LMC regions. The solid black line indicates VOD, the blue indicates SMC and LMC. Bottom: distribution of α elements with [Fe/H]. The red dots indicate VOD members and the blue dots indicate the stars in LMC and SMC regions. The big black dotted line represents the trend line of abundance of LMC and SMC from Nidever et al. (2020).