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For any design the font is one of the first things that you need to get right because it has a lot of psychological effect on a person's mind when they look at it. Which is why, it is necessary to follow the rules that govern the typography in any design making process. rather than spending time scrolling through all those fonts, one just has to remember the rules to follow and get the best possible font for any design.
Since the beauty of typography lies in its endless options and its colossal nature, one also has to keep in mind that it is an open ended tool and needs to be explored and thoroughly known.