The definition of seasoning is to enhance flavor with herbs, spice, & citrus
Citrus
Citrus Fruit is the fruit of various evergreen, usually spiny shrubs or trees, of the genus Citrus, native to southern and southeast Asia, having leathery, aromatic, unifoliolate compound leaves and cultivated for their juicy edible fruits that have a leathery aromatic rind.
A seasoned mixture that may consist of a variety of seasonings such as coarse or flaked salt (sea salt and kosher salt are common), pepper or peppercorns, sage, allspice, thyme, garlic, cardamom, lavender, juniper, citrus zest, and other selected ingredients.