only the tip visible a mere hint of the vast unseen mass of knowledge and detail submerged in silence

tip visible mere hint vast unseen mass knowledge detail submerge identify unreveale disclose unravel unveil information detect confidential unnoticed open mystery unuttere quiet uncover covert invisible insight unexpressed stealthy elusive implicit explain examine puzzle enigmatic privy enigma undisclosed classify unspoken camouflage observe investigate discover straightforward clarify understand wordless taciturn