all of that info can be found in this forum - sort of
there's no hard and fast rule as to exactly how many calories you need... you can use the formulas that will give you a range and you might have to adjust up or down accordingly
a goal weight is where you are comfortable - you shouldn't obsess over a specific number but more as to how you are feeling and what you see in the mirror...
there really are no magic foods, whole foods are better than processed foods, but you should eat what you enjoy...
this should be a life style change and not a "diet" which is generally short term -