If you're looking at a card with a store name, and wondering if it counts as a score card, look to see if there is a Visa, MC, AmEx, or Discover logo on it anywhere. If there's no logo other than that of the store, it's purely a store card.
As an example, go to the Home Depot web site and click on the personal credit card option. The lurid orange card (go Vols!) is the store card, without an MC logo. The HD Mastercard used to be white with lots of little tools floating across it, but now they seem to have different card design options now. Whichever design you look at, they all have the MC logo. That means it counts as a bank card, not a store card.
All credit cards are issued by a bank of some variety, even if it's an in-house bank (as with Nordstrom or Target.) The simplest way to find out for sure ahead of time who issues a card is to pretend to apply on line. Scroll to the bottom of the intro page, and you might see a bank name listed. Failing that, click on the application page (DON'T fill anything in!), and start looking around there. Your browser window might have suddenly changed to a Citi or Chase address, or the first paragraph might say "WFNNB issues J.Crew Credit Card Accounts" (shudder), or it might be in fine print at the bottom of the page again.
Knowing which bank doesn't automatically mean that you will reject the card, but reading around here will tell you things like GEMB is stingy with CLI's, Citi is conservative and you need a clean-ish record, and so forth. Just as with bank cards, it's good to know ahead of time who you're dealing with, and it isn't the cutie at the cosmetics counter or the hunk in plumbing supplies.
* Credit is a wonderful servant, but a terrible master. * Who's the boss --you or your credit?
FICO's: EQ 781 - TU 793 - EX 779 (from PSECU) - Done credit hunting; having fun with credit gardening. - EQ 590 on 5/14/2007