The import of groups is done via columns titled: "Type, Alias, Alias-Parent, Symbol, Name, Content". So, you can simply import a list with a column "Name" to create, for example, storage locations or to update via the "Alias or ID".
Type
Action = Y
Business Sector = N
Forms = F
Classification = M
Contact Group = K
Account = C
Stock = X
Country = L
Product Group = P
Key Value = V
TAGGING = i
Text module = T
Merchandise categorie = Q
Column Titles: A
the rows contain a 1 if the location is locked or a 0 if it can be occupied.
Column Titles: B
the rows contain the dimensions in cm, so Length|Width|Height (example 100|50|30 -> that would be 100cm shelf width, 50cm shelf depth, and 30cm shelf height)