Labeled

Labeled[expr,lbl] displays expr labeled with lbl. 

Labeled[expr,lbl,pos] places lbl at a position specified by pos. 

Labeled[expr,{lbl1,lbl2,…},{pos1,…}] places the lbli at positions posi. 

Labeled[expr,{lbl1,lbl2,lbl3,lbl4},All] places the lbli at the bottom, left, top, and right, respectively. 

Please visit the official Wolfram Language Reference for more details and examples on core symbols.