My mistake, I confused USB 4 and TB 4. But either way, each only has two ports.Look at
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Mac - Compare Models
See what makes each Mac laptop and desktop different. And find the one that’s perfect for your life, your work, and your budget.www.apple.com
Scroll to the very bottom.
Explain to me what the difference you see there means:
As for what USB C Power Port mean, I have no idea, but if you scroll a few sections up, you'll see the ports for each:

or hit Learn more down at the bottom and they show you the ports labeled (grey is Pro, gold is Air):


Or just look at the gallery and count the ports for yourself.