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 process of making a conlang.
For questions about the sound systems of languages
The grammar of a language, or its "rules", covers its phonology, morphology, syntax, as well as the semantics of its affixes and function words
Questions relating to the use of writing systems, both natural and invented, as relevant to conlangs.
For questions about developing the vocabulary of a conlang
Naturalism is a design goal some conlangs have, that of being deliberately similar to natural languages in some or all aspects
For questions about the real world history of individual conlangs as well as the conlanging community
Questions concerning the study of the forms of words, their internal structure, and how they are formed from one another through processes like inflection, derivation, and compounding.
for requests of conlangs which fit a specified set of criteria
Diachronic conlanging refers to the simulation of language change in a conlang
For questions about words, phrases, and acronyms specific to the study of constructed languages.
Questions comparing languages or classifying them into categories based on their linguistic features
For questions concerning Toki Pona, the minimalistic oligomorphemic conlang published by Sonja Lang.
For questions about how to translate words or phrases into or out of a conlang
For questions about language features with no parallels in natural languages
Whether a language should be classified as a natlang/conlang, a particular type of conlang, or even as a language at all.
For questions about what natural languages a particular conlang was based on or inspired by
For questions about constructed languages that are intended for international or interethnical communication.
For questions about the handling of tense, aspect, and mood in constructed languages.
For questions about tools for creating or maintaining a conlang, or about tools to do Constructed Language Processing.
For questions dealing with verbs (a part of speach)
Esperanto is a constructed international auxiliary language.
Ambiguity refers to words, phrases, or sentences which can be validly understood to mean multiple different things
For questions concerning the Elvish languages devised by J.R.R. Tolkien.
For all questions about the Klingon Language. The Klingon language is the constructed language spoken by the fictional Klingons in the Star Trek universe.
A constructed, syntactically unambiguous human language, successor to Loglan by the Logical Language Group.
For questions about naturalistic conlangs serving a specific linguistic subgroup (e.g., speakers of Slavic languages)