A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
For questions about the user interface elements (inputs, checkboxes, etc) that make up this site. For questions about the design of elements, use the design tag.
Questions about attracting new users to a Stack Exchange site.
Privileges are abilities you earn with increased reputation to do and see more on the site. Use this tag for questions about privilege notifications and privilege wikis.
Community self-evaluations was an answer quality evaluation process that took place on some Stack Exchange sites from 2012 to 2015.
use for any questions related to deleted answers specifically.
For questions about the functionalities, queries, databases and datamodel of The Stack Exchange Data Explorer (SEDE). SEDE allows you to create and run queries against copies of the databases of popul…
Refers to user accounts either generically, or across the network.
about the quarterly creative commons data dumps of all public data in the Stack Exchange network Q&A sites.
The "Private Beta" period of a new Stack Exchange site is a limited time period during which only users who have expressed interest in the site's proposal can participate.
For questions about the behavior or usage of tags, which are keywords or labels that categorize and group your question with other, similar questions.
for questions about the favorite question feature. For questions about favorite tags, use (favorite-tags) instead.
For questions about the various types of notifications you can receive on the site.
Community Wiki is a flag that can be applied to answers (and sometimes questions) which lowers the barrier for editing and prevents any rep gain/loss from voting.
"Migration" is the process of migrating off-topic questions from a Stack Exchange site to another.
Questions about the legal aspects of Puzzling Stack Exchange, such as the terms of service, using content, attribution, copyrights, patents, using trademarks, etc.
For questions about chess-themed puzzles on the main site, or about the relation between Puzzling Stack Exchange and our sister site Chess Stack Exchange.
Locking a question prevents answering, editing, commenting, voting, closing, and reopening. Answers must be locked separately and may still be voted upon. Only diamond moderators may lock posts.
for the Official Stack Exchange application only. The app is available in the App Store, for iOS 7+ on iPhones and iPads. When posting bug reports, please specify the app's version.
used on meta.
HTML links, generally those created within the network on questions, answers, or the site itself.
Every user's account profile has a section showing the recent reviews, revisions, comments, badges, posts (questions and answers), and accepts.
"Favorite tags" are a set of tags that can be marked by a user. The questions that have favorite tags will be highlighted, and can be monitored using Tag Sets.
For questions or issues surrounding login to Stack Exchange sites.
For questions about the various RSS feeds provided by Stack Exchange sites.
OpenID was previously the main login flow for Stack Exchange; it has since been deprecated.
for questions about the entire network of Q&A sites that make up the Stack Exchange network.