An Item Variant is a version of an Item with different attributes like sizes or colors. Suppose you produce t-shirts and it comes in different sizes and colors like small, medium, large and red, yellow, black. In Oditar ERP, the t-shirt will be considered as an Item template and each of the variations will be an Item Variant. Item Attributes distinguish between these variants easily, and can be based on Size, Color, Shape and so on.