is this already an opening?

I think that you should learn the reti opening and nothing else. Coaches say that beginners ought to play 1.e4 and aim for open games, but they don't know what they're talking about. So don't listen to them.

It goes 3 moves in and shows the next, so basically 7 plies in, for free users.

This line gets rare anyway, there isn't much after 7 plies heh.

1.Nf3...d4 (black gaining the middle and white developing a minor peice) 2.c4...d5xc4(pardon my notation errors I am just beggining to learn it) 3.e4 (threatening blacks pawn, gaining control of the center)

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No, 1.Nf3 (white develops a minor piece, gains control of d4 and e5, and does not give black any targets to attack in the center (d4, d5, e4, e5) 1...d5 (I  can see that you typed ...d4) black gains  control of c4, e4 and d5 via his Q at d8.  But, at the same time makes his  pawn  at d5  a target in the center for white to  attack.

2.c4 a pawn  move which is only an aid to  development, white contests the control of d5 by attacking black's pawn at d5 with  a  wing pawn which still does not give  black any targets in  the  center to attack.

2...dxc4 a second pawn move which is only an aid to development, black exchanges a center pawn for a wing pawn against opening principles.  Essentially black has given white a  2  vs. 1 pawn  advantage in the  center.  His Q at d8  has  temporary control of the  half open d-file which contests control  of  the square d4 against white's N at f3 .

3.e4!? as was pointed out preferable is 3.Nc3 a developing move that contests control of the square d5 and establishes control of the square e4, and that once again provides no targets in the  center for  black, but also attacks the square b5 to keep the black  pawn at b7 from moving to b5 to  defend the black pawn at c4.

Can someone please give me suggestions on how to make this better or what they would do next?

If after 3.Nc3 black plays 3...c6 then  white plays 4.a4

To answer the question which is the  title  of your topic:

Is this already an  opening?  It is a partial opening which will not be complete until after a few moves when we reach a position where either side plays what is known as a pawn break move.  That pawn break move signals the end of the opening and the beginning of the middlegame.

I agree with everyone that white is better in th position, and as black I would play Nc6, because it prepares e5, taking control of the center, and if d4 to prevent e5 take with en passant. Another move is Nc3, because it puts pressure on the e4 pawn, and the control of the center. Also, you could play b5, then a6, a move that Anderssan played in a game against Rosanes that they played in 1863, but I don't recommend it.

I know that. I didn't want you to know that. I wanted you to look at it more from an opening principles viewpoint like you should. I also believe that the entire opening basically doesn't make any sense because there are so many ways for Black to put White positions where d4 is clearly the best move but will transpose directly back into a QG position.

From those positions Black can either admit deafet and transpose (meaning that all he achieved in the opening was to give Black more options than necessary early on in the line such as 2...d4 with no compensation) or he can continue to avoid playing d4 and achieve no opening advantage.

Anyway, I've since noticed that you're the same OP from many other recent threads on openings in which you've ignored all posters and advice. Actually it would seem that your previous 11 threads contain not a single post from yourself (OPs excluded). Every single one of those threads had at least 1 reply, most a lot more and most were about openings.

I hope you take only the bad advice to heart.

Well, there is no rush to take the pawn, as e3 and Bxc4 work just fine. Also, moving the queen out so early in the game is generally frowned upon.

Sorry, I didn't get that samob917 was playing white.