Select the most appropriate meaning of the highlighted idiom in the given sentence.
The intern aspired to understand the ins and outs of the operating systems of the institution.

Correct option is C

Option (c) is the correct meaning of the given idiom.
Given Idiom: "Ins and outs" – refers to all the details, intricacies, or workings of a system or situation. (पूरी जानकारी या बारीकियाँ)
Example:
Before starting the project, you must understand the ins and outs of the task.
Other related idioms and their meanings:
· Know the ropes – To understand the details of how to do something.
· Behind the scenes – Secretly or privately managing details.