Solutions :-

Item Group -An Item Group is an approach to characterize things dependent on sorts. Contingent upon the sort of item, you can arrange a thing under its particular field. ... On the off chance that the item is utilized as a crude material, allocate it under the Raw Material classification.

Item Master -An item master is a record that lists key information about an inventory item. This information may include the description, unit of measure.

For creating Item group and Item master follow these steps -

Click on Master > click on Item Group > add item group you want to create.

Click on Master > Click on Item Master > add > fill the information you want to fill then select the Primary unit of the same Item. If you have multi-unit for the same then select select-box of units you want to add.

Assign the item in the Item group so that it will link the item with item groups. For further searching or maintaining Stock Group-wise.