Modifying a category or a product

As you can see their is an « administration console » below each category and each product you have created :

These consoles gather every button that are necessary to manage the element, « element » means here the category or the product, below which they are displayed. To modify an element click on the « Modify ... » button :

You are now on the same form page than the one you have used to create the category or the product, but here filled in with the data you have input while the creation of the element (texts and pictures).