This is the 238th most frequent Persian word.
داخلی
Internal.
In this sentence, "داخلی" functions as an adjective meaning "domestic" or "related to one's own country," specifying that the products are produced locally within the country.
محصولات داخلی کیفیت بالایی دارند.
Domestic products have high quality.
Here, "داخلی" refers to an "internal" phone extension within an organizational or institutional telephone system.
لطفاً با شماره داخلی ۱۲۳ تماس بگیرید.
Please call the internal extension number 123.
Here, "داخلی" is used as an adjective meaning "interior" or "inner," describing the entrance that is located inside the building or within its structure.