هذا

هذا

"This" (demonstrative pronoun).

In this sentence, "هذا" indicates a demonstrative pronoun meaning "this" used to identify a masculine singular noun, which is "كتاب" (book).

هذا كتاب مفيد.

This is a useful book.

Here, "هذا" is used again as a demonstrative pronoun for a masculine singular noun, referring to the "طريق" (way), and is used in a question.

هل هذا الطريقُ صحيحٌ؟

Is this the correct way?

In this context, "هذا" is utilized to point to a specific singular masculine noun, which is "المكان" (place), expressing familiarity or emphasis.

أحببتُ هذا المكان.

I liked this place.