Issues with categorizing multilingual signs

• 3 languages, but 3rd language is written in two scripts. Trilingual or quadrilingual?
• Photographed sign has 6 languages but only 3 are visible in one of the pictures. Trilingual or sexalingual?
• Not bilingual: File:Silencio (4441319517).jpg
• Anglicized Arabic File:Allah hoo akbar!? (3589800876).jpg
• Simultaneously bilingual and quadrilingual File:Birthaelm-Ortsschild 2016.jpg
• Semi-bilingual File:Corti wa-pan.jpg
• Plaque-monument spectrum Category:Egypt-Soviet Aswan memorial plaque
• Sign within a sign File:Conkbayırı - panoramio (2).jpg
• Image contains 2 monolingual signs (top one in English; city names in Dutch) File:Zeebrugge Belgium Signpost-with-EU-Flag-and-Belgium-Flag-01.jpg
• 2 identical signs in 2 different languages. Bilingual sign or two monolinguals? File:Bathing hygiene at DGI-byen Vandkulturhuset.jpg
• 1 sign, 2 languages, 2 messages. File:Vojtěch Scheinost deska Sušice.jpg
• 4 signs, 3 languages (PL on 4, DE on 2 logos, EN on half a sign File:SchulenPartnerDerZukunft.JPG
• 3 kinds of signs File:Lewandowskiej Street Poznan 2020.jpg
• 2 signs, 2 languages. Bilingual or two monolingual? File:NO! You can be badly hurt (27409610639).jpg
• Bilingual, partly trilingual File:Trilingual traffic sign on A1 near Koper.jpg
• Simultaneously a commemorative plaque and a hiking sign File:Rabka Mszana trail in Rabka.jpg
• Are cartouches plaques? see Category:Cartouches in Bydgoszcz
• Floor plaque? File:Commemorative stone, Old Supreme Court Building, Singapore - 20101010-01.JPG