Focal point (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">focal point</span>' is the definition.<br/ ><span class="explanation-format__explanation">(hub can mean a centre or focal point)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hub that I've seen before include "Wheel's centre" , "Centre (of network)" , "Centre of activity" , "Centre of wheel" , "throbbing heart" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">focal point</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for node that I've seen before include "branch perhaps at this point" , "part of network" , "Knot - swelling - knob" , "Where network lines meet" , "Natural swelling of part of a plant or animal" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">focal point</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for focus that I've seen before include "Bull's-eye" , "Cynosure" , "Main topic of attention" , "Point of convergence of light, etc" , "Spotlight" .)