What is Parameter?
In code, a named placeholder in a function definition; the argument is the actual value you pass in when calling it.

parameter w · argument 3
A parameter is…
Write it in your own words in the app.
In real work
Rename the vague parameter so reviewers know what the agent intended to pass.
In the illustration
The sockets read w and h before anything arrives; the argument block 3 lowers into the w socket and 4 into h.
Add a parameter to this function in your coding agent for the currency, with a default of USD, and update the two callers that need euros.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
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01Practice
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02Verify
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03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.





