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Hi,
Let's take a look at the truth behind italics.
Please tell me can look italicsas this way in the following sentences?
1. The investigation was carried out in the direction of a senior police officer.
= The investigation was carried out to a senior police officer.
in = under = according to; of = continuing from
to = under / in the direction of /from ; according to

2. She drove off in the direction of London. = She drove off to London.
in = attending on the purpose; of = towards
to = in the direction of

3. The town lies about 20 miles to the north of New York.
to = in / under a direction continuing from ; according to

4. Their economic policy is moving in the direction of retrenchment.
= Their economic policy is moving to / towards retrenchment.
in = attending on the purpose; of = tending towards
to / towards = in the direction of
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Back again, bepleased?

1. The investigation was carried out at the direction of a senior police officer. -- The officer managed other investigators.
The investigation was carried out by a senior police officer.-- The officer investigated himself.
2. She drove off in the direction of London. = She drove off to London.-- Both OK
3. The town lies about 20 miles to the north of New York.-- OK
4. Their economic policy is moving in the direction of retrenchment.-- OK
= Their economic policy is moving towards retrenchment.-- OK

As usual, your use of prepositions to define other prepositions doesn't seem to make much sense or serve much purpose.
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Yes, it is ture that the thing as you say.
And must we know that preposition is an function word and the same preposition gives the different logic positions.
And the same logic position is showed by many different phrases of preposition.
And that preposition as the clothing that disguises the intrinsic logic of language.
So only we grasp so many different phrases of prepoaition which show the same logic position can we master the intrinsic logic of language at preposition.


bepleasedSo only we grasp so many different phrases of prepoaition which show the same logic position can we master the intrinsic logic of language at preposition.
The trouble is, it doesn't seem to be working for you. Your posts are as muddled as ever, I think.
I try to have it work to a degree.

"Purpose" has two directions;

One is the direction towards which an action directed (purpose is receiver of an action)
Example: Don’t waste your money; put it to some good purpose. (purpose is receiver of the action of spending money)-----“to” = towards
Another is the direction as a person’s reason for an action. (Purpose is agent of an action)
Example: Did you come to London for business purpose?(Purpose is agent of the action of coming to London and the action is receiver of business purpose.)
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