> For the complete documentation index, see [llms.txt](https://ysk.snesjhon.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ysk.snesjhon.com/data-structures/faqs.md).

# FAQs

## What do they do?

Data structures are collections of values, the relationship among them, and the function or operations that can be applied to the data.

## Why So Many?

Different data structures excel at different things. Some are highly specialized, while others (like arrays) are more generally used.

## Why Care?

The more time you spend as a developer, the more likely you'll need to use one of these data structures

You've already worked with many of them unknowingly

They all excel in different situations.