Product categories need to help customers understand the range and employees classify it consistently. If categories arise from every campaign, supplier or internal product list, the structure quickly becomes unclear. Choose lasting main groups based on recognisable product differences and agree how to handle borderline cases before the range grows further.
Start from the buyer’s perspective
Ask which product words customers use and which differences determine their choice. An internal supplier classification may be operationally convenient without being the best shop structure. A customer may look for an application or product type while the buyer mainly sees brands and purchasing groups.
The WooCommerce documentation on categories, tags and attributes describes categories as a way to group products, using a hierarchy of main categories and subcategories. That technical capability provides flexibility, but it does not determine which classification makes sense in practice. That remains a catalogue decision.
Make category boundaries explainable
In a fictional office supplies shop, the groups “workspace”, “accessories” and “useful for the office” overlap considerably. Employees classify similar products differently. A recognisable product type, such as lighting or storage, can provide a clearer basis. Collections based on use can also have their own editorial route.
Write one sentence for each category explaining what belongs in it. Add a borderline example. If the team cannot decide where such an item fits, the structure may be too vague. A product may appear in several relevant places, but that must not become a substitute for clear main groups.
For a WooCommerce online store a trial with actual products is more useful than an empty menu tree. A structure that seems logical with a few names can produce groups that are too broad or barely populated when applied to a representative range.
Give temporary selections their own management agreement
A seasonal promotion or gift selection can be valuable, but it has a different lifecycle from a lasting product category. Record who maintains the selection and what happens when it ends. Prevent expired campaigns from remaining permanently in the main menu because nobody decided what should happen to them.
Also consider integrations with other systems. An online store category does not have to mean the same thing as an ERP item group. For data exchange it needs to be clear which classification is used for presentation and which for administration. Do not mix those responsibilities merely because both systems use the word category.
A useful boundary test uses a new item that has not yet been classified anywhere. Ask two employees independently where it belongs and compare their reasons. Different answers may indicate an unclear definition or an actual use in several contexts. Decide on the substance and update the example so later employees can understand the same choice.
Test finding and managing products
Ask a new visitor to find several products without using the search field. For each label they choose, ask what they expect to see. Then ask an employee to classify new trial items. The first exercise tests recognition for the customer; the second tests whether management is workable.
Use the observations to sharpen labels, depth and boundaries. Do not restructure based on one personal preference; investigate specific mistaken expectations. When making changes, also check existing references and the contents of category pages.
Record the final main groups, descriptions and person responsible in a short catalogue document. New categories get a place only when they add a recognisable distinction and have enough content. The catalogue can then grow without making navigation reflect every internal change or temporary promotion.