Garlic doesn't have anything specific to do with kashrut.
Kosher in pickles means the brine contains garlic and pickling spices.
There is nothing about either garlic or bread that renders either of them intrinsically non-kosher. A delicious kosher garlic bread can be created if the usual laws are followed in its preparation, concerning the utensils used, the separation from other various food items, etc.
It's a pickle made with garlic and dill
Though any dill pickle can be Kosher, in the world of pickles, "Kosher Dill" means garlic has been added to the brine. They're more robust than regular dill pickles, and are often the kind of pickle served with a deli sandwich.
There is no issue with garlic mushrooms in regard to the laws of kashrut unless you were to cook them with butter then serve them with meat. If a religiously observant Jew weren't to eat kosher garlic mushrooms, most likely, they just don't like them.
Kosher pickles are made using a specific traditional Jewish method of pickling, while dill pickles are pickled with dill and garlic for flavor.
Kosher food may be made with kosher salt, but it doesn't have to be. It can be made just as well with sea salt, garlic salt, celery salt, low salt, or no salt, depending on the preferences of the people who are planning on eating it. For that matter, it can also be made with freshly ground black pepper, as well as with cumin, thyme, lemon zest, dry mustard, cinnamon, cardamom, parsley, sage, rosemary, and curry. You name it.
It is kosher so long as it is certified kosher.
Fox meat is not kosher. See:More about what is and isn't kosher
It needs to be cooked in a kosher vessel and have kosher ingredients. If purchased, it (or the bakery) should have kosher-certification.
Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Delicatessen places serve kosher food. And if you are talking about 'deli' food, it is usually kosher. _______ Delis are only kosher if they're kosher certified. Most delis aren't kosher.