大
dae
大 is not 'big', it is 'the edges pushed outward'
The picture Two arms flung out sideways so the space you take up gets wider. 大 pushes the edges outward; 小 pulls the edges inward.
Where the picture shows up in 大
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a frame pushed wide
저 앞 대형(大型) 마트에 가요.
jeo ap dae-hyeong ma-teu-e ga-yo
We're going to the big supermarket up ahead.
The same shop, but the doors and aisles opened several times wider
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spreading it out wider
글씨를 확대(擴大)해 주세요.
geul-ssi-reul hwak-dae-hae ju-se-yo
Please make the letters bigger.
Small letters shoving their edges out in every direction until they fill the screen
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the share that covers wide
일은 대부분(大部分) 끝났어요.
i-reun dae-bu-bun kkeun-na-sseo-yo
The work is nearly all done.
One slice of a divided circle spreading until it covers almost the whole circle
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the edge that cannot spread further
최대(最大) 열 명까지 돼요.
choe-dae yeol myeong-kka-ji dwae-yo
Ten people at the very most.
A line pushed sideways until it meets the final mark and will not spread any further
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a gathering spread wide
내일 대회(大會)가 있어요.
nae-il dae-hoe-ga i-sseo-yo
There's a big competition tomorrow.
Not a meeting in a room but a space as wide as a sports field, filled with people
All of it in one picture
大 is the picture of arms flung wide. When a shop flings its arms wide it is a large one; when letters shove their edges out they are enlarged. When one slice spreads so far it covers nearly the whole circle, that is most of it; push the edges until they hit the last line and that is the maximum. And when a gathering spreads past a room to the size of a field, it becomes a big meet.