The D in the group's name stands for "Drama" (acting work), "Dream", "Debut", "Discovery" and "Development" (growth and advancement).
ðə dˈiː ɪnðə ɡɹˈuːps nˈeɪm stˈændz fɔːɹ "dɹˈɑːmə" ˈæktɪŋ wˈɜːk, "dɹˈiːm", "deɪbjˈuː", "dɪskˈʌvɚɹi" ænd "dɪvˈɛləpmənt" ɡɹˈoʊθ ænd ɐdvˈænsmənt.