which does what

USAGE SUMMARY

The phrase "which does what" is correct and usable in written English.
You can use it as a question to prompt someone to explain or demonstrate how something works. For example, "What is this tool used for? Which does what?".

✓ Grammatically correct

News & Media

Encyclopedias

Academia

Human-verified examples from authoritative sources

Exact Expressions

31 human-written examples

Here's a brief guide to which does what.

The Guardian - Tech

"We have reached a settlement which is a commercial agreement between two parties which does what it says, settles differences.

The Guardian - Sport

Some Googling turned up an array of wonderful things, chief among them FindSounds.com, which does what it sounds like it should.

The New Yorker

Take it easy on the snooze There is a Twitter feed called Eye Spy MP which does what its name suggests.

Independent

Consider the possibility that we too can make a thing very small which does what we want that we can manufacture an object that maneuvers at that level!

Britannica

Littleport has another atmospheric boatyard by the start of Ten Mile Bank, which does what it says on the tin, although the river meanders in a pretty fashion.

The Guardian - Travel

Human-verified similar examples from authoritative sources

Similar Expressions

29 human-written examples

The book's success was a first-class ticket to a world she loved, in which doing what she thought she wanted - writing - earned money.

The Guardian - Books

Which did what I hoped it would do.

Forbes

It was the primary ingredient of so-called knockout drops, which did what the nickname suggests: They knocked people unconscious, making them popular with criminals.

Huffington Post

Which employee does what, when, how and with which tools?

TechCrunch

Local government structure: Most people do not know which council does what.

The Guardian

Expert writing Tips

Best practice

Use "which does what" to clarify the specific function or role of different elements within a system or process. This is especially useful when describing complex systems or when differentiating between similar components.

Common error

Avoid using "what does what" when you have a defined set of options. "Which" is appropriate when the options are known or limited, while "what" is used when the possibilities are open-ended.

Linguistic Context

The phrase "which does what" functions as an interrogative expression, used to elicit information about the specific roles or functions of different entities or components within a defined set. Ludwig AI confirms its grammatical correctness and usability.

Expression frequency: Common

Frequent in

News & Media

60%

Academia

20%

Encyclopedias

10%

Less common in

Wiki

5%

Formal & Business

3%

Science

2%

Ludwig's WRAP-UP

In summary, the phrase "which does what" is a versatile interrogative expression used to seek clarification about the functions of different components within a system or a set of defined options. As Ludwig AI confirms, it's grammatically correct and commonly used across various contexts, particularly in news, media, and academic settings. When using this phrase, ensure that the options are clearly defined and that "which" is more appropriate than "what". Alternatives include "what is its function" or "what are the responsibilities". This phrase serves as a straightforward way to gain clarity on roles and responsibilities.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

what is its function

Focuses specifically on the purpose or intended action of something.

what is its role

Emphasizes the part something plays in a larger system or process.

what is the purpose

Highlights the reason or intention behind something's existence or action.

what are the responsibilities

Directly asks about the duties or tasks associated with a position or entity.

what are the functions

Asks about the set of tasks something is designed to perform.

who is in charge of what

Inquires about the specific allocation of control or leadership.

who handles which task

Directly inquires about the assignment of duties to specific individuals.

what is the mechanism

Focuses on the process or system by which something operates or achieves its effect.

what is involved

Asks about the components, steps, or resources required for a task or process.

what's the procedure

Focuses on the established method or sequence of actions for a particular task.

FAQs

How can I use "which does what" in a sentence?

Use "which does what" when you want to understand the specific function or role of different elements within a set of known options. For example, "In this control panel, "which button does what"?"

What's a more formal alternative to "which does what"?

In more formal contexts, consider using phrases like "what is the function of each" or "what are the respective roles" to convey the same meaning as "which does what".

Is it better to use "which does what" or "what does what"?

Use "which does what" when you're choosing from a defined list of options. Use "what does what" when the options are open-ended or undefined. For example, "In this machine, "which lever does what"?" (limited options) vs. "What technology does what in modern medicine?" (open options).

When is it appropriate to use the phrase "which does what"?

The phrase "which does what" is appropriate in situations where you need clarification on the individual roles or functions of several distinct entities, especially within a system or process.