Field help (DEFLOC) 

Default location. According to the location type involved by this product category, specify the default location that will be used for stock movements. It is possible to enter a code with a generic character (*,#,!,?) or a code from the locations table. If the location is of a dedicated type, it is necessary to carry out an assignment to establish it for this product.

If entered, the location can be used in the entries, allocations and issues.