Earlier quoted context omitted.
Thanks, but you don’t need to explain how if you’re unsure. If you can just write one example in Turkish, of each case, so three total, most readers can probably puzzle it out with enough time using translation tools.
Abstract Concept of Police (e.g., law enforcement in general): > Polis, toplumun güvenliğini sağlamakla görevlidir. > (Police are responsible for maintaining public safety.) Police Force as an Organizational Unit: > Bu şehirdeki polis teşkilatı faaliyetlerini arttırdı. > (The police force in this city has expanded its operations.) Specific Police Force Within a Specific City: > İstanbul polisi son zamanlarda çok akti…
Interestingly the -ki suffix here was borrowed from Persian (another Indo-European language like English), and effectively highlights a unique instance - "the one which" - in a way that Turkish otherwise doesn't specifically do.