What does string manipulation involve?

String manipulation involves performing various operations on strings, which are sequences of characters. This can include concatenation, where two or more strings are joined together, formatting strings to fit a certain structure or template, trimming whitespace, splitting strings into arrays based on delimiters, and modifying characters within the string.

The focus of string manipulation is specifically on how to handle and modify textual data effectively, as this is essential in many programming tasks such as data processing, user input handling, and displaying output. Other suggested options do not directly relate to the concept of handling and transforming strings specifically, making the selected answer the most accurate representation of what string manipulation entails.