user9410: 
What's the name of this structure after white castling ?

user9399: This is generally known as the Glek System. It looks like Nc3 and Nf6 were omitted.
One of White's general plans is to play d3 and Be3 hoping for the trade to open the f-file, and also to play Nf3-h4-f5. .

9410: <p><a href="https://i.stack.imgur.com/2eY2Y.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2eY2Y.png" alt="enter image description here"></a></p>

<p>What's the name of this structure after white castling ?</p>
 9399: <p>This is generally known as the Glek System. It looks like Nc3 and Nf6 were omitted.</p>

<p>One of White's general plans is to play d3 and Be3 hoping for the trade to open the f-file, and also to play Nf3-h4-f5. .</p>
