/axes/" aria-current="page" class="sidebar-link">Axes</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading open"><span>Cartesian</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/3.9.1/axes/cartesian/" aria-current="page" class="sidebar-link">Cartesian Axes</a></li><li><a href="/docs/3.9.1/axes/cartesian/category.html" aria-current="page" class="active sidebar-link">Category Axis</a></li><li><a href="