Common experience is the gold reserve which confers an exchange value on the currency which words are; without this reserve of shared experiences, all our pronouncements are checks drawn on insufficient funds.
Man is head, chest and stomach. Each of these animals operates, more often than not, individually. I eat, I feel, I even, although rarely, think. This jungle crawls and teems, is hungry, roars, gets angry, devours itself, and its cacophonic concert does not even stop when you are asleep.
It is still not enough for language to have clarity and content... it must also have a goal and an imperative. Otherwise from language we descend to chatter, from chatter to babble and from babble to confusion.
Truth is one, but error proliferates. Man tracks it down and cuts it up into little pieces hoping to turn it into grains of truth. But the ultimate atom will always essentially be an error, a miscalculation.