You are right, it's a technical hobby, and a certain knowledge is assumed of the participants.
Model railroading, photography, musical instruments, oil painting, and gardening are, too.
Luckily, we have a nice forum like this to help educate and clarify. - :up
Iceberg pretty well summed up your answer, above.
'bout the only secret to add, is that for Ku, the voltage-controlled LNBF's (741, Ck1, & 621) are very touchy to align
on Ku.
Those who go to the trouble to get 'em properly situated, are rewarded with good performance (C seems fine on 'em all).
There is only one additional secret weapon, and that's what's called an OrthoMode Feedhorn, which would accept four LNBs.
Two for C-band, one for each polarity.
Two for Ku-band, one for each polarity.
The feedhorns and LNBs cost quite a bit, and perform quite well.
Advantages include the ability to use any cost/performance LNBs you like from $10 to $300, each! -

And, with four outputs, you feed 'em to a 4x4 or 4x8 multiswitch, and can run multiple receivers simultaneously.
A handful of members here, have such setups.
examples:
Chaparral Bullseye II feedhorn
ADL brand, ADL-RP3-2-2B, Dual C-Band / Dual Ku-Band Linear Feed
there are a few other brands, but these are the ones usually discussed
(I'm not recommending anything, just offering full disclosure)