You will here see the storage type's description, that is whether it is a house, zone, section, etc. You enter a start value for the row, as well as a quantity (indicating how many zones, sections, aisles and levels that shall be created). The selected format determines the quantity that will be created. Example: For the format X, you can not enter a two digit quantity.
The start value can be either digits or a letter. If you use digits, you can enter one, two or three digits. If you use letters, you can only enter one letter.