Learn English – “dynamic” vs “dynamics”

While relation and relationship refer to the connection between things, relation shades more toward the way things are connected, while relationship refers to the connection itself. The difference is not spacious.

Example:

"The size of the targets bore no relation to their importance." [NOAD]

This is different from

"The two friends enjoyed a very close relationship."

Many a is a somewhat archaic or poetic or literary way of saying many.

Many times I had seen her in my dreams.

Note that it takes a singular complement:

Many a time I had seen her in my dreams.

EDIT

Just to throw another stick of wood onto this fire, there's another similar formulation frequently seen in literature:

Many's the time I've seen her in my dreams.

And I'll also add a quote from Shakespeare (The Merchant of Venice):

Shylock: Signior Antonio, many a time and oft / In the Rialto you have rated me / About my moneys and my usances

The question this raises is, did Shakespeare recognize a difference between "many a time" and "oft"? Did it mean something more to him than how we would see it today, as interchangeable with "often"? Or was he gratuitously padding out a line to fit the meter?