What is Between ?
Between is prep 1. placed with things on both sides There’s only a thin wall between his office and mine, so I hear everything he says. Don’t sit between him and his girlfriend. 2. connecting two places The bus goes between Oxford and London. 3. in the interval separating two times I’m have a meeting between 10 o’clock and 12. Can you come to see me between now and next Monday? 4. in the space separating two amounts The parcel weighs between four and five kilos. Cherries cost between £2 and £3 per kilo. in between in the middle, with things on both sides 5. showing a difference She’s colour-blind she can’t tell the difference between red and green. 6. sharing We only had £10 between the three of us. 7. among She could choose between courses in German, Chinese or Russian. 8. between you and me speaking privately Between you and me, I don’t think he’s very good at his job.
source: Easier English, Student Dictionary Upper Intermediate Level