Aika's 3gb directional traffic refers to the traffic used by software such as Tik Tok, Ai Che Kuai and Watermelon Video. Directionalflow refers to traffic packets that are only used in specified mobile phone applications and content. That is, when using the specified mobile phone application and content, as long as it does not exceed the ordered directional traffic package, the used traffic will not be deducted from the package traffic package and other general traffic packages; Corresponding to this is the general flow.