This is the 690th most frequent Arabic word.
العالي
The Arabic word "العالي" means "the high" or "the elevated."
Here, 'العالي' is used as an adjective to describe 'السقف' (the ceiling), indicating its height.
السقف العالي يعطي شعوراً بالاتساع.
The high ceiling gives a feeling of spaciousness.
In this case, 'العالي' characterizes 'طموحه' (his ambition), expressing its remarkable extent or degree.
طموحه العالي يجعله يسعى للنجاح.
His high ambition drives him to strive for success.
'عالياً' here functions as an adverb derived from 'العالي' to modify the noun 'تركيزا', explaining the level of focus needed.