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.

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× 11225
a higher-level drawing language built on top of the PGF graphics framework. For questions specifically about the PGF layer use {pgf-core} instead. Both tags are possible on the same question. …
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about the tabular environment and related packages such as {array}, {booktabs}, {tabularx}, {tabu} and {longtable}. For questions about the table environment (i.e., about floating or posit…
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a document class for creating presentations and slides. For general questions about presentations or slides, independent of the document class, use {presentations} tag instead.
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about typesetting mathematical content, e.g. tweaking the appearance of spacing and symbols in a formula, or producing specific mathematical constructs. For questions about "wrapper" en…
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about fonts and how to use them. It deals with questions about changing family, shape and weight of fonts, but also with font packages. If your question is not about a font in general but a…
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a package for creating 2D and 3D plots of mathematical functions and numerical data, using the PGF graphics framework. For questions about the inbuilt plotting functionality of TikZ/PGF,…
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about both horizontal and vertical white space, e.g. space between letters or words, or space between paragraphs. For adjusting the space between the lines of a document, use {line-spacin…
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for questions specifically concerning TeX's macro processor. Note that, because TeX uses macros ubiquitously, most questions about code that uses macros are not looking for information abo…
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about inclusion of external graphic files in your document. For questions about vector graphics created programmatically inside a (La)TeX document, use {diagrams} instead, or preferably …
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a complete reimplementation of the bibliographic facilities provided by LaTeX. It has its own backend {biber} which can be used instead of {bibtex} and which supports, e.g., full {unicod…
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about the creation or modification of the Table of Contents or similar listings like List of Figures and List of Tables as well as custom lists. Popular packages are {tocloft}, …
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specifically about Oren Patashnik's BibTeX program, its .bst style file and .bib database file formats, and use of these in creating documents. For general questions about bibliographies a…
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about the floating environments figure, table and other, custom-defined floats, and concerns issues such as positioning, labelling, captioning, indexing and listing of said floats. For que…
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about commands like \chapter or \section forming the logical structure of documents. For questions specifically about {parts}, {chapters} or lower-level commands ({sections-paragraphs}…
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about creating lists of publications and citing these in a document. If possible, replace this tag with the specific bibliography package you use, e.g. {biblatex} or {natbib}. For …
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about aligning document elements horizontally, e.g. typesetting paragraphs using \centering or \raggedright or adjusting the horizontal position of several equation or table …
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for questions regarding or including compilation or similar errors.
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a Unicode-capable variant of the TeX engine. Use this tag if your question is about Xe(La)TeX specific problems and is not related to standard (La)TeX.
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for general questions about formatting document elements. Use this tag in addition to other tags specifying what should be formatted. For questions about font attributes (e.g., {bold},…
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about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possib…
× 2023
a package capable of producing hypertext links in documents. If your question is about cross-referencing in general, choose {cross-referencing}. If it's specifically about PDF features, …
× 1909
an extension of TeX which is capable of directly generating PDF output. Use this tag if the used engine – pdftex/pdflatex – is significant to your question.
× 1876
about making connections from a point in a document to related information elsewhere, usually within the same document. Standard commands are \label and \ref. For questions abou…
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about specific non-alphabetic symbols or math symbols, e.g., about looking-up, constructing, or using symbols. For questions about {fonts} or alphabetic {characters} use the respective ta…
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about customizing headers and footers, i.e., choosing a page style for certain pages (e.g. empty, plain, headings) and (for the styles employed) placing information like the current…
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a package that extends LaTeX's {verbatim} features. A variety of syntax highlighting options are available. For general questions about {verbatim} or {highlighting} use the respective ta…
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about numbering document elements. Use this tag in addition to other tags specifying what should be numbered (or have its number removed). For {page-numbering} or {line-numbering}, use …
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for questions about the LyX document-authoring application, that uses LaTeX for typesetting. Check that your problem isn't really a LaTeX problem before using this tag: export y…
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about using color in (La)TeX documents. Popular packages are color and xcolor.
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about captions for figures, tables and other, custom-defined floats or non-floating illustrations which are formatted to look identical to these floats. A popular package is caption.
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about aligning document elements vertically, e.g. using \raggedbottom or \flushbottom or adjusting the vertical position of several equation or table components. If your questi…
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about list environments. If your question deals with a specific list environment, add the respective tag, if existing, such as {itemize}, {enumerate}, or {description}. A popular package is…
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about packages in general, e.g. about choosing, installing or using packages. For questions about writing packages, choose {package-writing} instead. If your question concerns a specific…
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about positioning document elements. Use this tag in addition to other tags specifying what should be positioned.
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about how (La)TeX breaks paragraphs into lines and how those breaks can be influenced.
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specifically about the PDF file format. If your question is about producing PDF output, choose an appropriate tag such as {pdftex} or {ps2pdf}. If your question concerns PDF reader software, …