nub vs the long and short

nub

• The essence or core of an issue, argument etc. 

• a pointing stick 

• The clitoris. 

• A small lump or knob. 

• To push; to nudge. 

• To beckon. 

• To hit the ball weakly. 

the long and short

• The gist; the essence or substance; the most important or salient features.