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 unveil unnoticed stealthy uncover enigma understand unspoken unravel identify implicit observe puzzle unreveale invisible elusive open wordless examine enigmatic unuttere explain disclose clarify discover detect insight confidential undisclosed straightforward quiet classify unexpressed covert camouflage investigate privy taciturn information mystery