The whole point is speed and clarity of communications.
( ( The ( whole point ) ) ( ( is ( ( ( speed and ) clarity ) ( of communications ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ whole) (NN point)) (VP (VBZ is) (NP (NP (NN speed) (CC and) (NN clarity)) (PP (IN of) (NP (NNS communications))))) (. .)))
Speed and clarity increase in tandem with one another.
( ( ( ( ( Speed and ) clarity ) increase ) ( in ( tandem ( with ( one another ) ) ) ) ) . )
(ROOT (S (VP (VB Speed) (CC and) (VB clarity) (NP (NN increase)) (PP (IN in) (NP (NP (NN tandem)) (PP (IN with) (NP (CD one) (DT another)))))) (. .)))