- abacus
- abandoned / vacant building
- abduction
- abstract art
- abstraction (subject / genre)
- abuse
- Academic achievement / Qualification (education)
- academic studies / university education
- academic-track highschool / grammar school
- accessory (clothing)
- Accessory (Fashion)
- Accessory (Living / Furniture)
- Accident / Disaster
- accident prevention
- accommodation
- accordion
- accounting
- accounting / bookkeeping
- accounting machine
- acoustics
- Acquisition / Consumption
- acrobatic / stunt flying
- acrobatics
- action / social behavior
- action art
- action film (genre)
- action painting
- actress (movie) / movie actor
- actress (theater) / actor
- addiction / dependance
- adhesive
- administration (state)
- Administration of justice / Adjudication
- administrative office
- administrative unit (state)
- adult education center
- adult person
- advent
- adventure film (genre)
- advertisement
- advertisement / ad
- advertising / publicity
- Advertising agency
- advertising award / prize
- advertising campaign
- advertising character
- advertising competition
- advertising industry
- advertising medium (misc.)
- Advertising spot
- aerial bomb
- aerial photo
- aerial photograph
- aerial warfare
- aerobatics
- aerosol can (packaging)
- Africa (culture area)
- African (ethnic group)
- aftershave
- agency (misc.)
- agenda / program
- agglomeration
- agricultural / forestry vehicle
- agricultural implements / tools
- agricultural machinery
- agriculture / forestry
- agriculture / forestry (form)
- Agriculture / Forestry (productive land)
- Agriculture / Forestry (profession)
- agronomics
- agronomy
- aid (rehabilitation)
- Aids
- air
- air conditioner (finishings)
- Air Conditioner (Interior Fitting)
- air conditioning system (finishings)
- Air Freshener
- Air Purifier
- air traffic / aviation
- Air-conditioning technology (building services technology)
- air-raid protection / civil air-defense
- Aircraft
- airline / air fleet
- airplane
- airship
- Alarm / Emergency signal
- album (book)
- Alcohol and Tobacco / Stimulants
- alcohol and tobacco distribution
- alcohol and tobacco production (economic sector)
- alcoholic beverages / drinks
- alien life form
- All-purpose tool /All-purpose work utensil
- allegory
- Allergy
- alpine farming
- alpine flora
- alpine plant
- alternative culture / subculture
- alternative energy
- alternative medicine / complementary medicine
- amateur theater
- America (culture area)
- American (people)
- ammunition / missile
- Amphibian
- amusement park
- amusement park
- amusement park
- analog art (media art)
- analysis / study (specialist literature)
- anarchy / anarchism
- anatomy
- ancient music
- anesthesia
- angling / sport fishing
- animal (subject / genre)
- animal (body part)
- animal (offspring)
- animal breeding / breeding
- animal dwelling (man-made)
- Animal fiber (material)
- Animal fighting (sport)
- animal food / pet food
- animal husbandry
- Animal husbandry (profession)
- animal husbandry (utensils / accessories)
- animal protection
- animal shelter
- animal sports
- animal teeth / animal tooth
- animal training / dressage (artistry)
- animated film / cartoon (genre)
- anniversary / commemoration day
- anniversary / jubilee (celebration)
- announcement
- announcement / notice (job printing)
- Anonymity
- answering machine
- antenna
- antenna technology
- anthropology
- Apartment
- aperitif (drinking culture)
- Appetizer
- appliance / machine (means of production)
- application software
- applied computer science
- Applied linguistics
- applied psychology (misc.)
- apprentice / trainee
- apprentice / trainee
- apron
- Aptitude / Talent
- aquarium / terrarium
- aquatic / water sports
- aquatic plant
- aquatics
- Aquatint
- Arab (ethnic group)
- archeology
- archery
- architect
- Architectural firm
- architectural theory
- Architecture
- architecture (building)
- architecture (complex)
- Architecture (Construction)
- architecture (subject / genre)
- Architecture / Building
- architecture award / prize
- architecture competition
- archival science
- archives (institution)
- archiving
- aristocracy
- arithmetic
- arm
- arm wrestling
- Armchair
- Armchair (Furniture)
- armor (security measure)
- armpit
- arrangement (music theory)
- Arrangements / Living Situation
- arranging / placement (misc.)
- arrest
- arrow (symbol)
- arson
- art award / prize
- art business
- art collector
- art competition
- Art Deco
- art education
- Art Event
- art exhibition
- art gallery
- art history / history of art
- art in architecture
- art intervention
- art lending library / art lending programme
- art market / art trade
- Art Nouveau
- art print
- art project
- art society
- art space / art gallery
- art theory
- Arte Povera
- Arthropod
- artist (fine arts)
- artist association / group
- artist's book
- artist's model / artist's design
- artist's portfolio / art folder
- artistry
- arts and crafts (economic sector)
- arts and crafts (profession)
- Arts and culture industry (profession)
- arts center / cultural center (institution)
- Artwork / Work of Art
- Ashtray
- Asia (culture area)
- Asian (culture area)
- Asian (ethnic group)
- assemblage
- Assembly (manufacturing)
- assembly-line production / mass production
- Asset management
- Assisted suicide / Euthanasia
- assortment of goods
- astronautics
- Astronautics
- Astronomical occurrence
- astronomy
- asylum / shelter
- Atheism
- athlete (professional)
- athlete (recreation)
- athletic / sports shoe
- athletic / strength sports
- atomic energy / nuclear energy
- attack / assassination
- attitude / opinion (psychology)
- auction
- auction house
- audience / patron (culture)
- Audio device (electroacoustics)
- audio device (recording / playback)
- audio device (utensils / accessories)
- auditorium
- Australia (culture area)
- author's film (genre)
- authority / agency
- authorship (art / artwork)
- autobiography
- automated teller machine / ATM
- Automation
- automobile
- automotive lighting
- Automotive Trade
- avalanche
- avant-garde
- aviation
- award (architecture)
- award (culture misc.)
- award (fashion / design)
- award (film / video)
- award (fine arts)
- award (literature)
- award (media)
- award (photography)
- award (sports)
- award / prize (graphic design)
- Award / Prize (Economy)
- awards ceremony (event)