Two persons 丬, 匕 sit back-to-back, because they feel cold: in the north.

Top: rice plant 禾 (Here: tree 木 with shade-giving canopy 一), middle: north 北 (2 people 丬,匕 sit back-to-back because it is cold in: the north.)
When the two people lean against the shade-giving tree, they: take advantage of it.

Left: to use, take advantage of 乘 (When the two people 丬,匕 lean against the shade-giving 一 tree 木, they: are using it.), right: to cut/knife刂
When using a knife, there are always remainders.

Top: north 北 (here: backbone || with ribs, or two persons sitting back to back), below: body part 月/肉
The backbone is the body part at the back and suitable to carry.

Inside: thousand 千, outside: North 北 (Two persons 丬,匕 sit back-to-back because of the north's cold.)
If 1000 persons are sitting back-to-back, they are obedient children.

From top: twenty 廿, north 北 (2 people sit back-to-back because of the north's cold.), mouth 口, fire 灬
In (groups of) twenty they come from the nord, because of the food (= mouth) and the temperature (=fire): the swallows

This character is seen as variation of back/stature: 背 with two persons 北 sitting back-to-back
'Back-to-back' the persons are sitting with this body part: The spine.

Top: north 北 (2 people sit back-to-back because it is cold in: the north.), bottom: extraordinary 異 (Fields 田 where the plants 艹 are growing on a table [=raised garden bed], look different and strange)
Also in the north, our fields shall be extraordinary: This is what we hope.

Left: horse 马/馬 (with mane 三, four legs 灬 und tail ㄅ), right: to hope, wish 冀 (Also in the north 北, our fields 田 shall be commonly 共 extraordinary 異/异: This is what we hope)
The horse, we hope for is: a thoroughbred horse.