pls help me!!

[Kylos]

i m a beginner
i cant understand some tactic like
451 v style n 451 flat
or diamond
can some pls explain it to me or gv me some exampls
thanks for help

4-5-1 V style:

----GK----
DR--DC-DC--DL
-----DMC-----
---MC--MC---
AMR------AML
-----ST------

4-5-1 Flat:

----GK----
DR--DC-DC--DL
MR-MC-MC-MC-ML
------ST-------

Hope it helps.