This is the 12329th most frequent Turkish word.
hattıdır
"Hattıdır" means "is the line" or "is the route" in English, depending on context.
The word 'hattıdır' is used to indicate that the bus belongs to a specific transportation line, here 'Ankara line'.
Bu otobüs Ankara hattıdır.
This bus is the Ankara line.
Here, 'hattıdır' signifies a metaphorical line or boundary related to protecting rights.
Bu durum, aslında onun hakkını koruyan bir hattıdır.
This situation is actually a line that protects his rights.
In this example, 'hattıdır' refers to a literal communication line, specifically a phone line.