Naming Custom Channels

When you are naming custom channels, does it matter if you use lowercase or uppercase?

Also, is it best to use broad terms like “sale” & “cheap” & “computer” or to use more specific terms like “computer sale” & “cheap computers”?

Also, is there a big difference between using the name “computer” and “computers”? Does adding the “s” on the end of a word give different ads?

The Channel is for your statistics so name them for yourself.
Channels don’t trigger specific Ads.

Read this: Different strategies to use AdSense Channels

What about naming channels for “Content Host”? Does the name affect what ads appear?

What do you mean “for Content Host” ?
Channels don’t trigger specific AdSense ads, they are purely statistical.
However if you make some available for placement targeting Advertisers can target specific channels of yours.

My YouTube account uses “Content Host” in aAdSense. They place the ads on the videos as a third party.

What are placement targeting advertisers and how do you make ads available to them?

I see that placement targeting works for Content. Is there any way to make it work for Content Host?

What is the purpose of having channels for Content Host if you cannot view reports and cannot target specific ads with them?