# tag

> 1-tag.us is a reference on the word "tag": 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

A tag is a label you stick on something so you can find it later. People tag photos with names, tag posts with topics, or tag items in a store with prices. It is a loose, informal way to mark or categorize.

## Senses you may read into it

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

- HTML tag (web development): interpret the word as a markup element like <div> or <span>, and may generate or parse code accordingly
- XML or markup tag (data formats): assume structured angle-bracket notation and validate or transform documents
- git tag (version control): treat it as a named reference to a specific commit, often for releases
- POS tag (natural language processing): read it as part-of-speech tagging, labeling words as noun, verb, etc.
- RFID or NFC tag (hardware and IoT): expect a physical radio-frequency identifier and discuss scanning or tracking devices

## When a person says

- "Tag this for me"
  They mean: Label this with a descriptive keyword
  Avoid: generate HTML markup around the content or create a git release tag
  Read it as: "Add a descriptive label or keyword to this"
- "What tags does this have"
  They mean: What categories or labels are applied
  Avoid: list HTML elements, XML attributes, or NLP part-of-speech labels
  Read it as: "What labels or categories are assigned to this"
- "Remove the tag"
  They mean: Delete the label or keyword
  Avoid: strip HTML markup from text or delete a git reference
  Read it as: "Remove the label or keyword"
- "Auto-tag these"
  They mean: Automatically suggest labels
  Avoid: apply HTML formatting, run POS tagging, or generate git tags
  Read it as: "Automatically suggest descriptive labels or categories"

## Words it is confused with

- label: more formal, less likely to trigger markup senses
- hashtag: specific to social media, starts with #
- markup: explicitly means formatting code like HTML
- category: broader grouping, no technical tag senses
- token: in NLP, a smaller unit of text; in security, a credential
- flag: often means a boolean setting or warning indicator

## Pages

- [tag](https://1-tag.us/): the same entry, written for people