Broken axle or drive shaft?

steering rack.
The transaxle shaft is the shaft just a bit further back in the photo, about 2x the diameter

new ends are available on Rock Auto pretty cheap...

 

I'd probably put a rack end and an outer tie rod in on that side just because count your threads showing remove behind the inner boot at the rack end inner joining point and then withdraw that and you can measure the length that the two pieces need to be so when you put them in your alignment will be within a 16th of an inch or so which my alignment guy tells me it's very close when I bring my cars to him because this is how I do this usually my alignment guy puts the heads on the front and tells me I'm so close it's not worth adjusting until tire change time just because.

 

That's the inner tie rod, P/N 45503-47030 (but check this part number for yourself. I make no guarantees).

You're going to need a front end alignment when this is replaced. Perhaps the best would be to have the shop that does the alignment do the repair - if you can find one that's trustworthy.