Charles One of the key ideas in this position might be here. White should get something from this, if only covering the weak point at a.
The previous lines show that above has some interest as a probe. What is White's big plan?
Overall, I don't really know. White has some good plays, and the positional judgement seems to be on White's side. The business on the lower side appears to be urgent.
Try the complex variation.
is intended to settle the lower right, by hook or by crook. Black resists, and it seems that will take sente. (Yes, I know, one line to the left might be lighter shape.)
Now White will take a loss in the lower left; but the centre has already become more interesting for White. It looks perhaps as if White should probe upper right before this.
Wow! I don't think this is an easy position. Notice though that all the action is away from the face-off of thick formations.
This one line shows that it is far from straightforward. After / and up to Black isn't yet alive. But could be one line higher making ko! And does Black have options to trade?