this might be a European thing (perhaps Australia too as AU is a PAL country), with analogue video you often needed a whole load of adapters with a SCART plug at one end and RCA, DIN, even BNC and PL259 at the other depending what you were connecting your audio and video equipment to (most older VCRs made in the 1980s didn't have SCART, but the French took over a lot of UK consumer electronics companies and introduced it on rebadged Japanese equipment..)
SCART connector info is below (AFAIK its never been a thing in North America) , there were also SCART leads used with a 1084 to display S-Video - with regard to retrocomputing its also not uncommon for TVs with SCART that accept RGB input to be used with custom made leads for old computers and consoles...
yeah, what a soup of 'standards', pal, secam, ntsc...I have 3.58meg burned into my brain - what a horrible compromise was ntsc!
Anyhow, you know what they say: "The beautiful thing about standards is that there are so many to choose from." /sarcasm.
Also, we all know this xkcd:
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