I could point you to the page but let me explain from my experience. Take normal globals and put them on steroids. Basically you can use weglog tags or other type of tags, like favorites from solspace. It’s worth it to me but it may be overkill for you. I can explain more later but got to go for a bit.
I will point to the page, adding this: if you never missed the functionality, you probably won’t need it (and, consequently, should not worry about it too much).
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