Newbie Alignment and subdivision question

[Fonte Boa]

Do the same i did in video but using Vertice instead of Edge:
( a ) select the first object
( b ) call Vert|Absolute Commands|Snap (right click on it)
( c ) select the vertice to be aligned (in the first object)
( d ) right click to continue
( e ) select the target vertice (in the second object)
( f ) right click to open numeric input
( g ) click "ok" to execute

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Here is a video showing the workflow.
Remember you can use Snap to align vert to vert or to edge or to face,
an the same for faces and edges.