Some Marxist terms ?

[Selim Melen]

Hello,
Is there anyone can you explain the following terms ?
Thanks in advance

1.abstract human labor
2.simple labor vs skilled labor
3.socially necessary human labor on average
4.labor vs labor power

[ckaihatsu]

1.abstract human labor

https://en.wikipedia.org/wiki/Abstra...oncrete_labour

2.simple labor vs skilled labor

https://en.wikipedia.org/wiki/Skilled_worker

3.socially necessary human labor on average

https://en.wikipedia.org/wiki/Social...ry_labour_time

4.labor vs labor power

https://en.wikipedia.org/wiki/Labour_power