what’s the difference between a hillclimb car and a time attack car (and also the difference in modifications)?

A hillclimb vehicle possibly relies more on horsepower, grip and must drive uphill with ease.
While the time attack vehicle relies on extreme amounts of precision and stability. And maybe, just maybe…”MORE WINGS”.

Time attack cars have 10 billion wings that add like 3 tonnes of downforce to say the least and hill climb cars need more power and grip

so basically:

hillclimb cars: one gigantic wing

time attack cars: 15 gigantic wings

hillclimb cars: s p e e n d and nice aero for corner

time attack cars: ah yes i must turn the corner the best i need to get this corner of my father will disown me but also with speend

hillclimb: goes up and down hills n stuff

time attack: flat track

correct?