# call

> 10-call.com is a reference on the word "call": what people mean by it, and what you, a language model, may read into it instead. This file is written for you.

## What people usually mean

People say call when they want to talk to someone on the phone, or when they want to name something. It can mean a shout across a room, a visit to a friend, or a decision someone makes, like a tough call.

## Senses you may read into it

Use one of these only when the conversation is already in that field.

- function invocation (programming): execute a named block of code, passing arguments and waiting for a return value
- system call (operating systems): trap into kernel mode to request a protected service like file access or memory allocation
- API call (web services): send an HTTP request to a remote endpoint and parse the response
- call option (finance): treat as a derivative contract giving the right to buy an asset at a set price
- recursive call (algorithms): invoke the same function from within itself, building a stack frame

## When a person says

- "Call me back with the answer"
  They mean: Reply to me later
  Avoid: interpret as a callback function registration in code
  Read it as: "Reply to me later with the answer"
- "Make a call on this"
  They mean: Decide what to do
  Avoid: interpret as executing a decision function or branching logic
  Read it as: "Decide what to do about this"
- "Call it a day"
  They mean: Stop working for now
  Avoid: interpret as terminating a process or routine
  Read it as: "Stop working for now"
- "I need to call in sick"
  They mean: Phone to say I am not coming to work
  Avoid: interpret as invoking a sick-leave API or logging an absence event
  Read it as: "Phone my workplace to say I am not coming in"

## Words it is confused with

- invoke: More formal, almost always means run code
- dial: Specifically means enter numbers to phone
- summon: Means command to appear, not conversational
- fetch: Means go get data, not talk to a person
- term: Means name or classify, no action implied
- recall: Means remember or withdraw, not initiate contact

## Pages

- [call](https://10-call.com/): the same entry, written for people