Sicilian Defense Sozin Attack

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bkj123

I was wondering, after the moves

 

what is whites main plan in this position?  Why is it that this does not seem to be a main line move for black, even with its similarities with the sveshnikov?

Chess14237

It only looks similar to the Sveshnikov but it reality, it is not.

bkj123

So the basic plan is to play Nde2, then pin the Nf6, exchange it and play Nd5?  Similar to sveshnikov?