(;SZ[19]AW[dc]AW[mk]AW[ll]AW[nl]AW[mm]AW[nm]AW[om]AW[on]AW[pn]AW[qo]AW[cp]AB[pd]AB[mj]AB[nj]AB[nk]AB[ol]AB[pl]AB[pm]AB[op]AB[eq]AB[pq]C[What is the key point of this situation?]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]
(;B[hq];W[lq]C[White will get to use his thickness effectively.])
(;B[lq]C[ black's move is a good prudent one that greatly reduces white's influence without leaving too much bad aji.RIGHT])
(;B[de]C[This move is big but the situation is more urgent elsewhere.])
(;B[ce]C[This move is big but the situation is more urgent elsewhere.])
(;B[lp];W[hq]C[A move on the fourth line invites a pincer that peaks under the skirt to the right, white may opt to make a corner enclosure in the top left first, but nonetheless this aji is present.])
(;B[kq]TR[mq]C[White has 9 stones bearing down on the weakness at n3, which could very well have grave implications in the corner.]))