This is the 998th most frequent Arabic word.
الشمس
The Sun.
The word "الشمس" here is the subject of the sentence, representing the celestial body sun.
الشمس تشرق في الصباح.
The sun rises in the morning.
The word "الشمس" here is part of a relative clause, describing a continuous characteristic of the location.
سافرتُ إلى بلدٍ تُشرق الشمس فيه طوال العام.
I traveled to a country where the sun shines all year long.
The word "الشمس" is used as a modifier for "الأشعة," specifying the type of rays.