Mint, NH = Mint stamp with original gum, Never Hinged or un-mounted. بدون شارنیه
Mint = Mint stamp with original gum with varying degrees of gum disturbance due to the mounting or hinging.
Unused = Mint stamps which have no original gum or they were issued without any gum.
Used = Refers to stamps postally used.
CTO = Stamps with or without original gum, which were cancelled by favor knowing as Cancelled To Order.
On cover = Complete covers or postcards.
On Doc. = Complete postal documents such as Parcel Post Receipts or Waybills which are called Bar'name