These keys are often referred to as the home row on the keyboard.
Homerow keys
asdfghjkl;
`1234567890-=qwertyuiop[]\asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+QWERTYUIOP{}|":LKJHGFDSAZXCVBNM<>?/* :) :P :D
The home row is the row of keys starting with the letter 'A' The row is: ASDFGHJKL:" And it is the row that you place your fingers on when typing. When typing, your fingers should rest on; Left Hand: A, S, D, and F keys Right Hand: J, K, L, and ; keys
asdfghjkl asdfghjkl asdfghjkl
`1234567890 -=~!@#$%^&*()_+ qwertyuiop[]\ asdfghjkl;' zxcvbnm,./ qwertyuiop[]\ asdfghjkl;' zxcvbnm,./
It is called a series circuit.
Keys
asdfghjkl qwertyuiop asdfghjkl zxcvbnm
asdfghjkl
asdfghjkl;
asdfghjkl;'[p
Collective nouns are a bunch of keys, a ring of keys, a set of keys.