In the Kingdom of Atenveldt, the Arts and Sciences are generally broken down into the following Categories and sub-categories:

Alchemy—Includes cooked and non-cooked non-culinary recipes (e.g., soap, candles, potpourri, perfume, etc.).

Arms & Armour
Weapons—Includes weapons carried and used by individuals.
Armour—Includes metal, chain, leather, etc., armour (worn as body protection), and shields.
Bowery/Fletching—Includes bows or crossbows, fletching, and archery equipment carried and used by an archer.
War Machines—Includes all siege weapons usable in SCA field combat situations.

Camping & Homesteading—Includes animal husbandry, plants and gardening, basketry, covers to hide modern equipment, shelters such as sunshades and tents, furniture and other household items, etc.

Ceramics/Pottery—Includes all items made from clay (coiled, slab construction, molded, wheel-thrown).

Culinary Arts—Includes prepared food and non-alcoholic beverages.
Main Dishes—Includes meat and/or vegetable dishes (these being the greatest mass of what we eat).
Breads—Includes all leavened and unleavened breads.
Side Dishes—Includes individual cheeses, non-alcoholic beverages, and other single-item dishes such as condiments and sauces. 
Sweet Dishes

Clothing
Clothing: prior to 1100 AD—Includes court (formal), field (informal) clothing for males or females.
Clothing: 1100 AD–1430 AD—Includes court (formal), field (informal) clothing for males or females. Clothing: 1431 AD–1599 AD—Includes court (formal), field (informal) clothing for males or females..
Footwear—Includes shoes, boots, and sandals.
Accessories—Includes pouches, belts, gloves, purses, hats/headwear, sheathes/scabbards, and socks/stockings/hosen, etc.

Decorative/Fine Arts—Includes drawing, painting, glazing, and/or manipulating the surface of an object in a decorative manner (e.g., majolica, drawings or sketches, stone carving, relief work, or fresco).

Demonstration Projects—Includes all demonstrations of techniques or skills that are appropriate to the period of SCA interest (in essence, teaching demonstrations).

Glass—Includes the making and decoration of beads, vessels, stained glass, etc.

Heraldic Display—Includes heraldry displayed in any manner (e.g., banners, shields, etc.) 

Historical Combat—Includes all exhibitions of historical combat methods & techniques following guidelines and rules presented in the document, “Approved Rules for the Study and Education of Historical Combat Techniques within the SCA” (available online or from any Minister of Arts & Sciences).

Instruments, Models, & Tools
Scientific Instruments—Includes such items as measurement, surveying, navigational, astronomy, and other “precision” instruments or tools used for scientific purposes.
Musical Instruments—Includes all forms of musical instruments.
Hand Tools—Includes all manner of hand tools used for various tasks (e.g., hammers, gouges, needles, writing instruments, etc.).
Models—Includes both working and stationary models, architectural and otherwise.

Jewelry/Decorative Pieces—Includes finished jewelry or similar, decorative pieces, involving one or more techniques for fabrication and/or decoration (e.g., casting, setting, enameling, glass, horn and bone-working, miniature painting, carving, niello, strubg jewelry, etc.).

Lace—Includes bobbin lace, needle lace, lacis, mezzo mandolino, etc.

Leatherwork—Includes the fabrication of leather items (e.g., leather bottle or vessel, decorated leather box, etc.) and their decoration using various leatherworking techniques (cuirbolli, shaping, tooling, etc.).

Manuscript Arts
Paper- or Parchment-making—Includes artisan-manufactured paper and parchment.
Calligraphy and/or Illumination—Includes lettering (writing), illumination, or any combination thereof.
Printing—Includes printed documents (incunabula or printed pages), engravings, printed music, etc., as well as any associated decorative techniques employed with printed pages.
Cartography—Includes the creation of maps.
Bookbinding—Includes binding of books and decoration thereof.

Metalwork—Includes both functional and ornamental metalwork produced by forging, casting, and other forms of hot or cold fabrication.

Music Composition—Includes music composition for voice(s) and/or instrument(s), as well as text underlay where songs are being set to music composed by the entrant.

Needlework—Includes needlework decoration, using techniques such as appliqué, beading, couching, counted work, cutwork, gold work, needlepoint, needle weaving, pulled thread embroidery, quilting, stumpwork, and surface embroidery.

Performing Arts
Music Performance—Includes instrumental music, vocal music, combined vocal/instrumental musical performances, solo or ensemble.
Spoken Performance—Includes plays, monologues, readings, skits, stories, etc., solo or ensemble.
Dance Performance—Includes any dance performance (country dance, court dance, ethnic dance), solo or ensemble.
Other Performance—Includes mime, juggling, acrobatics, slight-of-hand, puppetry, etc.

Spirits/Brewing—Includes production of alcoholic beverages.
Meads & Wines—Includes honey (meads, etc.) or fruit-based (wines, cider, etc.) fermented alcoholic beverages.
Beers, Ales, & Lagers—Includes alcoholic beverages that are grain-based (there is a wide variety here).
Cordials—Includes beverages produced by infusion of flavorings into pre-distilled alcoholic liquids (also commonly referred to as “liqueurs”).

Textile Arts
Non-woven—Includes braiding, dyeing, fabric painting, felting, spinning, sprang, nalbinding, knitting, etc.
Woven—Includes card weaving, tapestry weaving, and the production of woven fabrics (e.g., brocade, damask, plain, satin, tapestry, twill, etc.).

Toys & Games—Includes any toys or game sets, boards, or pieces.

Woodworking—Includes items produced and decorated through use of fabrication and/or other woodworking techniques (e.g., carving, inlay, marquetry, turning, etc.).

Writing—includes both pre-17th century and modern writing (as appropriate by sub-category).
Metrical Writing—includes all pre-17th century forms of poetry and other metered writings, including epics, most plays, etc.
Non-metrical Writing—includes all pre-17th century styles of non-metered writing (prose).
Research Writing—Includes documentation, research articles, and other scholarly writings concerning aspects of the SCA that involve reference materials.
Other Writing—includes all other forms of “modern” writing about aspects of the SCA (e.g., how-to articles, journalistic articles).